cased hole已: stop; cease; end下: below; down; under; undernea ...套管: drivepipe; annular tubes; br ...的: 4次方是 The fourth power of 2 i ...钻孔: drill; bore; drill hole perf ...下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:已下套管的钻孔，即可在微信中查询翻译
