英语词汇“pilot hole of shaft, test hole of shaft”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉翻译词典

单词	pilot hole of shaft, test hole of shaft
释义	pilot hole of shaft, test hole of shaft 井筒检查孔; 新井开凿前，为核实井筒剖面资料,编制施工设计方案,在井筒附近追加施工的钻孔。
随便看	SQT (square-rooter) squab squabash squabashed squabashes squabashing squabbed squabbier squabbiest squabbing squabbing pass squabbing roll squabbish squabble squabble about sth squabbled squabblement squabble over squabble over sth squabble over sth. squabbler squabblers squabbles squabblesome squabble with sb

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