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單項(xiàng)選擇題

The complete assembly of bedplate, A-frames and cylinder block is held together by （） to form a rigid structure.

A.tap-bolts
B.jack-bolts
C.tie rods
D.fitted rods

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單項(xiàng)選擇題

The common method of applying oil to the cylinder walls is by means of small pump assembled in units, known as （）.

A.mechanical lubricator
B.lubrication function
C.forced feed system
D.bearing lubrication

單項(xiàng)選擇題

The cleaned heated oil, after passing through the centrifuges, is to be pumped to a （）.

A.settling tank
B.service tank
C.ballast tank
D.drain tank

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