cased borehole下: below; down; under; undernea ...套管: drivepipe; annular tubes; br ...钻孔: drill; bore; drill hole perf ...套管钻孔: cased borehole无套管钻孔: open hole; openhole; uncased bore hole; uncased drill hole; uncased hole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:下套管钻孔，即可在微信中查询翻译
