If the back clearance of a piston ring is excessive,（）
预检（Pre-clearance）
Valve lash, or clearance refers to the （）
After ensuring that the （） is correct the bearing clearance should be checked.
Which of the following may take place if the clearance of the main bearings are excessive?（）
In a diesel engine, when installing new piston rings it is important to check（） Ⅰ.ring gap clearance Ⅱ.side clearance
To maintain design discharge pressure from a centrifugal pump, the design clearance must be maintained between the （）.
Cold clearances between the skirt of an aluminum piston and the cylinder liner is about （）
Clearance volume scavenging in a turbocharged, four-stroke/cycle diesel engine is accomplished （）.
（） is not required by bridge-to-bridge communications.
桥下净空（qiao xia jing kong）clearance underspan
Increasing the valve clearance between a valve stem and rocker arm, will result in the valve （）
启动子的清除（promoter clearance）
英译中：Customs clearance
Insufficient end clearance on newly fitted piston rings in a diesel enginewill cause the rings to（）
A vessel engaged in mine clearance operations is called（）.
英译中：Electronic clearance
通航净空（tong hang jing kong ）navigable clearance
Clearance gauges at bridges indicate （）.
Diesel engine piston ring blow-by is usually caused by excessive ring clearance at the ring（）
Clearances of bridges and overhead cables below Bonneville Dam refer to heights in feet above mean （）.
clearance，C
Customs clearance agent acts on behalf of the customs.
P-Bridge支持IQ数据的汇聚和Bridge的中继，每个P-Bridge支持几个微RRU（）
