[電學(xué)] 殼體（井外殼體），水泥 casing and cementing: 下套管與固井casing cementing: 套管固井well casing: 井壁管; 井管; 套筒; 油井套管b casing and cementing: 下套管與固井casing cementing job: 套管注水泥施工; 套管注水泥作業(yè)下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯
