back lash
齿隙
齿
轮齿隙
反撞
逆栅流
背隙
侧隙
空回
后冲
空档
螺丝空挡
Back lash of transmission
barge LASH feeder carrier
brake slave piston lash
electronic unit injector lash
engine compression brake slave lash
engine valve lash adjustment
engine valve lash adjustment topic
exhaust valve lash adjustment
Hydraulic Lash Adjuster