润滑油泵传动齿轮
lubricating oil pump driving gear
滑动齿轮传动
sliding -gear transmission
滑动齿轮传动系
sliding gear transmission
传动齿轮滑脂
transmission [gear] grease
内平动齿轮传动
interior translation gear transmission
internal parallel move gear transmission
平动齿轮传动
Parallel move gear transmission
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