單項選擇題

The （）is not a component of an oil separator.

A.sliding bowl bottom
B.gravity disc
C.separating disc
D.scum valve

你可能感興趣的試題

單項選擇題

The （）pump is usually used as the lubricating oil pump.

A.turbine
B.screw
C.vaneejector
D.centrifugal

單項選擇題

The reciprocating pump can’t draw water from a tank may be caused by （）.

A.leaky pipe
B.opened inlet valve
C.too much water in tank
D.None of the above

<strong id="cmiwq"><sup id="cmiwq"></sup></strong>

<table id="cmiwq"><menuitem id="cmiwq"><ins id="cmiwq"></ins></menuitem></table>