单项选择题
The （）is fitted on an oily water separator.
A.sliding bowl bottom
B.gravity disc
C.bowl
D.liquid level detector
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相关考题
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单项选择题
The （）is not a component of an oil separator.
A.sliding bowl bottom
B.gravity disc
C.separating disc
D.scum valve -
单项选择题
The （）pump is usually used as the lubricating oil pump.
A.turbine
B.screw
C.vaneejector
D.centrifugal -
单项选择题
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
