Recheck clearance again after tightening locknut . Readjust clearance as necessary.拧紧防松螺母后,再一次检查间隙,视需要重新调节间隙.Recheck clearance on all valves again after locknut is tightened.防松螺母拧紧后,再对所有气门的间隙重新检查一次.Tighten valve adjustin...

n.防松螺母，对开螺母...

locknut的音标：locknut的英式发音音标为：['lɒknʌt]locknut的美式发音音标为：['lɒkˌnʌt]...