船用齿轮出厂编号
marine gear serial number
泵传动齿轮箱部件
pump drive gearbox component
泵传动齿轮箱故障检查排除
pump drive gearbox troubleshooting
泵传动齿轮箱驱动带轮
pump drive gearbox drive sheave
泵传动齿轮箱驱动皮带
pump drive gearbox drive belt
变速箱传动齿轮
transmission transfer gear
传动齿轮箱安装支架
transfer gear case mounting bracket
传动齿轮箱壳体
transfer gear case housing
传动齿轮箱驱动叉架
transfer gear box drive yoke