<var id="b2onu"></var>

單項(xiàng)選擇題

During working of an air compressor, （） should be drained.

A.inter cooler
B.cylinder
C.outlet pipe
D.inlet pipe

你可能感興趣的試題

單項(xiàng)選擇題

Before starting an air compressor, It should be （）.

A.unloaded
B.primed
C.filled with water
D.greased

單項(xiàng)選擇題

Before starting an air compressor, It should be （）.

A.turned
B.oil level checked
C.filled with water
D.A and B