A.open
B.open front type
C.live front type
D.dead front type
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A.an injection process
B.an ejection process
C.a separation process
D.a heating process
A.O-ring
B.gasket
C.washer
D.packing
最新試題
Cold weather starting of a diesel engine may be made easier by（）
Under MARPOL Code the ship to which it applies has to carry （）
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）
The additional mark （）in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically.