预润滑封闭式球轴承
prelubricated sealed ball bearing
不正确的最终传动润滑油油面
incorrect final drive oil level
铲运机传动系润滑油油面
scraper transmission oil level
反冲分隔间润滑油油面
recoil compartment oil level
滚筒驱动齿轮箱润滑油油面
roller drive gearbox oil level
内装式润滑油油底壳
integral lubricating oil sump
汽油-润滑油消耗比
gasoline-oil consumption ratio
润滑油油泵开关
lubrication oil pump switch
润滑油油路量孔
lubrication passage orifice