英语词汇“钻垂直孔时”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	钻垂直孔时
释义	钻垂直孔时 The extension drill rod which can be used for higher capacity drill；the drill hole can be extended to sezeral meetrs；when drilling the straight hole；the core lifter can help coring.
随便看	Okhremenko Okhrida OkhridaOhrid Okhrimenko Okhromin Okhta Okhtari Okhtensky Okhtoma Okhvat OKI Okia Okiaki OK,I also need to hear the traffic report OK, I also need to hear the traffic report Okias okibe Okica Okichi Okichika Okida Okidaito-jima Oki-Daitō-jima Oki-Daitō-Kairei Oki-Daitō-KaireiOki-Daitō Ridge