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單項(xiàng)選擇題

The loss of （） from an air compressor could lead to an overheated air discharge and possibly an explosion in the pipelines leading to the air reservoir.

A.lubricating oil
B.compressed air
C.cooling water
D.sealing ring

在線練習(xí)

你可能感興趣的試題

單項(xiàng)選擇題

The joint face between the cylinder cover and the liner is arranged （）the combustion process as possible.

A.such far away from
B.such near by
C.as far away from
D.as near by

單項(xiàng)選擇題

The interface between the liquid seal (water) and the oil should be positioned （） possible to the bowl periphery.

A.as far as
B.as soon as
C.as close as
D.as closer as

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