回拉

1.
Pull-back
...导向孔、接在钻杆柱前端 的切削头。 2.0.11 回拉Pull-back) 水平定向钻进施工时,经扩大的钻孔将钻杆柱从出口坑向回拉 …
wenku.baidu.com|Based on 19 pages

Sample Sentence

Definition:
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard