單項(xiàng)選擇題

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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單項(xiàng)選擇題

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

單項(xiàng)選擇題

A Kort nozzle is a(n)（）.

A.hollow tube surrounding the propeller used to improve thrust
B.nozzle attached to a firefighting hose
C.intake valve on a diesel engine
D.piston cylinder on a diesel engine

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A thrust block is designed to（）.

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A simplified construction plan may be included in the ship construction portfolio provided it adequately defines the（）.

A Kort nozzle is a(n)（）.