By far the greatest use is for diesel engine starting using air pressure of 25 bar or more provided by （）.<br>A:rotary compressors<br>B:reciprocating compressors<br>C:centrifugal compressors<br>D:screw compressors

By far the greatest use is for diesel engine starting using air pressure of 25 bar or more provided by （）.
A:rotary compressors
B:reciprocating compressors
C:centrifugal compressors
D:screw compressors

出自：海船船员证

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