A.bowl periphery
B.bowl center
C.upper surface
D.lower surface
您可能感興趣的試卷
你可能感興趣的試題
A.bowl periphery
B.bowl center
C.upper surface
D.lower surface
A.purifying
B.batch
C.long period
D.temporary
A.center
B.periphery
C.inlet
D.upper parts
A.an oily water separator
B.a purifier
C.a centrifugal compressor
D.a clarifier
A.an oily water separator
B.a purifier
C.a centrifugal compressor
D.a clarifier
最新試題
Which of the problems listed would came the discharge temperature of an R-12 refrigeration compressor to increase?（）
Which of the following statements is correct concerning heat transfer?（）
An internal bypass is provided on some hydraulic system suction strainers to help reduce the possibility of （）.
The output volume of a positive fixed displacement pump can be changed only by （）.
A pressure drop through the refrigerant liquid line may cause （）.
A salinity indicator is used to determine the （）.
On tank vessels equipped with power operated cargo tank valves, the type of power operator most commonly used is （）.
When the steering gear is in operation, you should （）.
When a refrigeration compressor has developed a high head pressure as a result of a refrigerant overcharge, you should （）.
Heavy wear in a particular area of the inner circumference of a packing ring may be caused by （）.