self-drainage

常见例句

He came to look at the drainage.
他是来检查排水设备的。
The drainage system has been aged.
排水系统已经老化了。
Application of Dewatering System with Self Drainage Deep Well and Light Well Points to Deep Foundation Pit under Sandy Soil Condition
自流深井配轻型井点降水在砂质土深基坑中的应用
I do not like to go to the movies by my self.
我不喜欢自己一个人看电影。
I my self is going to make a sandwich.
我要亲手做个三明治。
He was a wreck of his former self.
他身体坏得不成样子，已兴从前判若两人。