In a refrigeration system, foaming of the crankcase oil may cause the _____.A.expansion valve to overfeedB.compressor to knockC.water regulating valve to failD.crankcase drains to plug
In a refrigeration system, foaming of the crankcase oil may cause the _____.
A、expansion valve to overfeed
B、compressor to knock
C、water regulating valve to fail
D、crankcase drains to plug
发布时间：2025-10-23 06:42:38
