A.temperature
B.velocity
C.density
D.viscosity
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A.the low inertia
B.the high inertia
C.the low velocity
D.the high velocity
A.butterfly valve
B.globe valve
C.gate valve
D.non-return valve
A.overcooling
B.poor cooling
C.overloading
D.unloading
A.the discharge temperature low
B.the discharge temperature high
C.the discharge pressure rise
D.the inter-stage pressure low
A.the lubrication
B.the cooling
C.the moisture separation
D.the valves
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