self moving

同根派生

Abstract: Rig GFC - 120 is a kind of self moving reverse circulation rotary rigs.It is mainly used to drill side foundation holes and small water wells.
中文摘要: GFC-120型鑽機(jī)爲(wèi)自走式動(dòng)力頭廻轉(zhuǎn)反循環(huán)鑽機(jī)，用於降水井和護(hù)坡樁基礎(chǔ)孔以及小型水井的施工。
Moving house is a vexatious business.
搬家是件麻煩的事情。
I do not like to go to the movies by my self.
我不喜歡自己一個(gè)人看電影。
I my self is going to make a sandwich.
我要親手做個(gè)三明治。
He was a wreck of his former self.
他身躰壞得不成樣子，已興從前判若兩人。