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【单选题】

Changes in direction or speed of the main propulsion units shall be recorded, ()an Administration has determined that the size or characteristics of a particular ship make such recording impracticable.

A、in addition to

B、in addition that

C、except for

D、except where

更多“Changes in direction or speed of the main propulsion units shall be recorded, ()an Administration has determined that the size or characteristics of a particular ship make such recording impracticable.”相关的问题
第1题

A、Changes direction clockwise,as from north to east,etc  B、Changes direction violently and erratically  C、Remains constant in direction and speed  D、Changes direction counterclockwise,as from south to east,etc  

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第2题

A、one flowing in the same direction as your course steered  B、one flowing in the opposite direction as your course steered  C、one that flows at nearly right angles to your course steered  D、a rotary current in which the direction of current flow constantly changes  

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第3题

A、clockwise direction  B、northeasterly direction  C、northerly direction  D、counterclockwise direction  

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第4题

A、regulate the fluid flow in either direction  B、restrict movement of hydraulic fluid in one direction, but allow free movement in the other direction  C、allow free movement of hydraulic fluid in both directions  D、allow a restricted fluid flow in one direction only  

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第5题

A、A.is changing clockwise in direction  B、B.is changing anticlockwise in direction  C、C.is changing cyclonically or variably in direction  D、D.remains unchanged in direction at the time  

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第6题

A、change in the impeller diameter  B、square of the impeller radius  C、cube of the impeller diameter  D、impeller efficiency for large changes in its size  

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第8题

A、A.change in impeller diameter  B、B.square of the impeller diameter  C、C.cube of the impeller diameter  D、D.impeller efficiency for large changes in the size of the impeller  

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