变速箱齿轮
transmission gearbox gear
surface strengthened process
fracture initiation
transmission gear
变速箱齿轮布置
transmission gear arrangement
变速箱齿轮润滑液面
transmission gear lube level
齿轮变速箱
Gear box
Speed changing gear boxes
speed-changing gear boxes
transmission gear box
齿轮变速箱虚拟模型
virtual model of gear-box
动力换档变速箱齿轮
power shift transmission gear
变速箱泵驱动齿轮
transmission pump drive gear
变速箱操向行星齿轮架
transmission directional planet carrier