1) case drain hole
![点击朗读](/dictall/images/read.gif)
箱体排油孔
2) case drain port
![点击朗读](/dictall/images/read.gif)
箱体排油孔口
3) case drain return port
![点击朗读](/dictall/images/read.gif)
箱体排放回油孔
4) case drain oil
![点击朗读](/dictall/images/read.gif)
箱体排油
5) case drain passage
![点击朗读](/dictall/images/read.gif)
箱体排油油道
6) case drain circuit
![点击朗读](/dictall/images/read.gif)
箱体排油回路
参考词条