Which of the following words is 离心泵?
A. Gearwheel pump
B. Centrifugal pump
C. Ejector pump
D. Reciprocating pump
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Which of the following words is 油水分离器?
A. Oil water separator
B. Oil separator
C. Purifier
D. Clarifier
Which of the following words is 空压机?
Air compressor
B. Air receiver
C. Air bottle
D. Air charge
Which of the following words is 发电机?
A. Main engine
B. Steam engine
C. Auxiliary engine
D. Generator engine
Which of the following words is 齿轮泵?
A. Gear pump
B. Centrifugal pump
C. Ejector pump
D. Reciprocating pump
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