window opening套管: drivepipe; annular tubes; br ...开: open; turn on; switch on; be ...孔: hole; opening; aperture井中套管开孔: cutting window火焰管开孔: linear opening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:套管开孔,即可在微信中查询翻译