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单项选择题
A.overcooling
B.poor cooling
C.overloading
D.unloading
单项选择题
A.the discharge temperature low
B.the discharge temperature high
C.the discharge pressure rise
D.the inter-stage pressure low
单项选择题
A.the lubrication
B.the cooling
C.the moisture separation
D.the valves
单项选择题
A.without first cooling it
B.without first heating it
C.without first unloading it
D.without first loading it
单项选择题
A.air
B.moisture
C.cooling water
D.lubricant
