单选题Which of the following problems would be the probable cause for the faulty operation of a reciprocating air compressor suction valve?（）ACarbon build up in the piston ring beltBFaulty operation of a cylinder un-loaderCCompressor operation in an area of high relative humidityDLifting of intercooler rebel valve
单选题
Which of the following problems would be the probable cause for the faulty operation of a reciprocating air compressor suction valve?（）
A
Carbon build up in the piston ring belt
B
Faulty operation of a cylinder un-loader
C
Compressor operation in an area of high relative humidity
D
Lifting of intercooler rebel valve
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