润滑油油面表刻度不正确
incorrect oil level gauge marking
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
润滑油油面指示不正确
incorrect oil level indication
表面润滑改性
surface lubrication modification
局部的润滑油不足
insufficient differential oil