單項(xiàng)選擇題

Water lubricated tailshaft bearings wear,（）

A.the after one is more than forward one
B.the forward one is more than after one
C.the forward one is the same with after one
D.it depends on the type of engine

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單項(xiàng)選擇題

When sailing in cold zones, the（） should be drained of water.

A.the ventilation pipe
B.the water line for fire fighting on the deck
C.the fuel oil line
D.the water supplying line in bath room

單項(xiàng)選擇題

When sailing in cold zones, the（） should be heated.

A.the steering gear room
B.the fire fighting pipe line
C.the fuel oil tank
D.the bath room

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Water lubricated tailshaft bearings wear,（）

你可能感興趣的試題

When sailing in cold zones, the（） should be drained of water.

When sailing in cold zones, the（） should be heated.

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