crankcase oil pan

• 油底壳； 曲轴箱油盘

crankcase oil pan的用法和样例：

例句

1. Fill the oil pan with oil to the specified level.
   用油填充油底壳到规定油面。
2. The cylinder block is an open-deck, midi-skirt type with cast-in iron liners and a die-cast aluminium lower crankcase and a stamped oil pan.
   机体是一个开放的甲板，比利裙型铸造铁班轮和压铸铝曲轴箱和降低冲压油底壳。