防松螺母拧紧后，再对所有气门的间隙重新检查一次。
Recheck clearance on all valves again after locknut is tightened.
现有气门铰刀是固定的，一套铰刀的刀头(刀盘)多达十多只。
The existing valve reamer is stationary, and more than ten bits (cutter heads) of one set of reamers are arranged.
本发明涉及带有气门辅助控制单元的发动机制动装置和用于发动 机制动的方法。
The invention relates to an engine brake mechanism with a valve assistant control unit and a method for engine brake.
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