单体式喷油器摇臂轴组件
unit injector rocker shaft assembly
传动系润滑油泵传动联轴器组件
power train oil pump drive coupling group
喷油泵驱动链轮轴承润滑油管
fuel injection pump drive sprocket bearing lubrication line
前凸轮轴轴承润滑油孔
front camshaft bearing oil hole
曲轴箱润滑油泡沫试验
crankcase oil foaming test
曲轴箱润滑油系统
crankcase lube oil system
振动轴承润滑油箱
vibratory bearing lube reservoir
主动轴润滑脂密封挡圈
drive shaft grease seal retainer
自润滑轴承材料
Self-lubricating Bearing Materials
self-lubricating bearing material