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There are two cases when the watch handle falls off:
The first case is usually caused by the head of the watch head being withdrawn or corroded, or by external impact and causing breakage.
The second case is more complicated, generally speaking, because the tail hook of the watch movement is detached or cannot be locked in the groove of the handlebar. The handle rod of the watch is very easy to rust, after long-term use, the waterproof rubber ring in the handle head will age, resulting in poor sealing, and the watch water and air intake are the first to bear the brunt of the handle position. The corroded stem will become thinner at the root and lose strength; And then there's that"The son and mother are quite strong"of the table handle.
If the watch handle falls off, it should be properly kept so as not to lose it, and then sent to the after-sales center for repair in time.
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When choosing a maintenance point, users of this kind of expensive watch must choose a regular and professional maintenance point, so as not to bring losses to themselves and the watch, and the most important point is that the cost of different models of the same watch is also different, it is recommended to consult in detail.
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Recommendations for the use of mechanical watches:
1. Watches with manual winding movements should be wound at the same time every day as far as possible so that the watch has enough energy to operate in the next 24 hours.
2. The energy of the watch with automatic movement is ** in the movement of the wearer's arm, so there is no need to manually wind it under normal wearing, only when the wearer's exercise is not enough to replenish enough energy to the mainspring, it can be compensated by manual winding, and the crown rotation is controlled within 20 laps when winding.
3. For a self-winding watch that has not been worn for more than 40 hours, the crown should be turned 20 times to reactivate the movement when worn again.
4. In order to prevent moisture from penetrating into the case and maintain the waterproof performance of the watch, please ensure that the crown is locked at all times, and the address of our store is located in Room 1102, 11th Floor, Block D, Bloomage International Center, near Chaoyang International Trade Center, Beijing.
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Many people ask about the cost of watch maintenance, but in fact, it is more important to know the maintenance method.
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Undergraduates: "Ship Structure and Equipment", "Ship Watch and Collision Avoidance", "Nautical Meteorology and Oceanography", "GMDSS Communication Business", "GMDSS Marine Communication Equipment", "Ship Signaling and VHF Communication", "Nautical Science", "Introduction to Marine Engineering", "Ship Principles", "Shipping Business and Maritime Law", "Ship Maneuvering", "Ship Freight", "Ship Safety and Management", "Nautical Instruments", "Radar and ARPA", "Navigation Studies", "Ship Watch and Collision Avoidance", "Nautical English"
Social personnel should learn: "Navigation", "Ship Watch and Collision Avoidance", "Navigation Meteorology and Oceanography", "Ship Manipulation", "Maritime Cargo Transportation", "Ship Structure and Equipment", "Ship Management", "Navigation English", if the captain is also examined, "Captain's Business" will be basically tested when taking the big certificate in the future, and manipulation and collision avoidance are counted as one subject. Basically, I can use high school knowledge, I mean science, "Nautical Science" and "Freight" need to use a lot of mathematical knowledge, especially "Cargo" is full of formulas, "Nautical English" has a large vocabulary, and they are all professional vocabulary, you have to memorize hard.
Radar and instrumentation also require a lot of high school math and physics, and even chemistry. The rest have to be carried hard. Personally, I think it is easier for science students to learn.
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Yes, the driver's license is divided into maritime and inland rivers according to the driving area, the operation is divided into driving and engine, the required grade of the ship size is divided into first, second and third categories, and the driving rank is divided into: captain, chief officer, second officer, third officer, helmsman, and marine engineer rank: chief engineer, chief engineer, second pipe, third pipe, mechanic, and the deck operation is a sailor.
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Hello! The first officer of the marine fishing vessel belongs to the pilot.
Duty crew members are those who are responsible for the management of the ship, including the following five categories:
1) Pilots, including captain, first mate, assistant officer;
2) Marine engineers, including chief engineer, engineer and assistant engineer;
3) Pilot;
4) Electrician;
v) Radio operators.
Thanks for reading!
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College??? "Jiangsu Maritime", "Nantong Shipping", and "Qingdao Crew" with relatively good employment are all good
Hope for some reference.
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There is no doubt that Qingdao Ocean Seafarer Vocational College is the best, whether it is teaching, campus location, or employment. What's funny is that upstairs actually said Binzhou Vocational College, this remote school has established a navigation major for no more than three years, hehe.
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It doesn't seem to be, but there should be a college upgrade, you can take the college book, which is much harder than the self-test, and the self-test is not tough in many cases.
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The former is almost no different at the undergraduate level, and when you get to the master's degree, it is called vehicle and traffic information engineering, and the latter is marine engineering management with a master's degree, and it is marine engineering, which is more inclined to ship design.
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Navigation technology is mainly on the deck work, simply put, it is responsible for sailing, also known as the deck department, the engine class is mainly engaged in machinery, also known as the engine department, mainly in the engine room below the deck.
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After the ship driving and engine management, it is possible to drive the ship and be the captain or chief engineer.
Nautical technology and marine engineering are the study of nautical science and marine engineering, mainly on shore.
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In the case of a junior college, the two are just called differently, but the essence is the same, ship driving and engine management can be used to drive a ship in the future, and be a captain or chief engineer.
Navigation technology and marine engineering technology is the study of navigation and marine engineering If the navigation technology on the shore is mainly on the deck work, simply put, it is responsible for the ship, also known as the deck department, the former is almost no different at the undergraduate level, to the master's degree is called the vehicle and traffic information engineering, the latter undergraduate is marine engineering management focuses on ship building, to the master's degree is marine engineering, marine engineering is more inclined to ship design.
The marine engineering class is mainly engaged in machinery, also known as the engine department, which mainly works in the engine room below deck.
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In the case of vocational schools, the two are only called differently, but the essence is the same.
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Yes, it is an engineering economics major, but you must have 6 years of work experience.
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College (bachelor's) degree in engineering majors, and you can apply for the exam after 6 years (4 years) of work.
Your major should belong to the engineering major, you go to the "123 Constructor Network" to check the professional comparison table, and the comparison table has your major to definitely be able to take the test.
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This candidate, your major is not engineering or engineering economics, so you can't apply for the exam.
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No! I've been graduating from the same major as yours for several years. That is, you can apply that only your diploma is a bachelor's degree or a junior college.
<> the watch is magnetized, it generally goes fast, if the hairspring is stuck together, the watch will go faster.
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