The boiling and condensation points of a refrigerant depend on the _____ exerted upon it.
A.temperature
B.pressure
C.velocity
D.heat
第1题
A.the bad smoke
B.the smoky exhaust
C.the exhaust temperature
D.the peak pressure
第2题
A.improper adjustment
B.contaminated fuel
C.kinked fuel lines
D.excessive engine vibration
第3题
A.flowed
B.flowing
C.mixing
D.circulating
第4题
A.before TDC and close after BDC
B.after TDC and close after BDC
C.before TDC and close before BDC
D.after TDC and close before BDC
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