动力平地机变速箱
motor grader transmission
动力平地机变速箱工具
motor grader transmission tool
铺管机动力换档变速箱的测试与调整
pipelayer power shift transmission testing and adjusting
液力机械式自动变速器
Automatic Transmission AT
液力机械自动变速箱
hydrodynamic mechanic automatic transmission
变速机动目标
Variable speed maneuverable target
传动变速机构
transmission shifting mechanism
动力变速传动装置
planetary gear transmission
多用途动力变速箱油液
multipurpose power transmission fluid
自动变速机构
Automated speed adjustment mechanism
automatic transmission