摇臂轴润滑油供油连接
rocker shaft oil supply connection
摇臂轴润滑油进油连接
rocker shaft oil feed connection
摇臂轴润滑油通道
rocker arm shaft oil passage
前凸轮轴轴承润滑油孔
front camshaft bearing oil hole
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