计算题:锅炉上升管的干度x=0.125,求此锅炉的循环倍率是多少?
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在农电生产系统中,停电申请执行完后,在()中能查到该停电申请单。
Clearance volume scavenging in a turbocharged, four-stroke/cycle diesel engine is accomplished ().
A. during the valve overlap period
B. with only the exhaust valve open
C. at a pressure below atmospheric
D. without cooling the cylinders or pisto