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An un-loader is installed on an air compressor to （）.

单选题
2022-07-10 23:27
A、bypass the high pressure stage to the low pressure stage on 100% of the air compressors in service
B、prevent excessive inter-stage pressure buildup
C、control compressor discharge pressure
D、remove all but the frictional load during starting
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正确答案
D
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标签： 船舶辅助机械
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