单项选择题
A thrust block is designed to（）.
A.absorb the shock of wave pressure at the bow
B.be placed between the engines and the foundation to absorb the vibration
C.transmit the thrust of the engine to the propeller
D.transmit the thrust of the propeller to the vessel
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相关考题
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A simplified construction plan may be included in the ship construction portfolio provided it adequately defines the（）.
A.areas where special materials are used
B.hazardous areas
C.location of emergency repair equipment
D.type and strength of materials used -
单项选择题
A Kort nozzle is a(n)（）.
A.hollow tube surrounding the propeller used to improve thrust
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单项选择题
A hydraulic accumulator aboard a ship is designed to（）.
A.store fluid under pressure
B.act as a fluid reservoir
C.provide overpressure relief
D.replenish fluid to a system
