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	Throttle actuation throttle actuator throttle adjusting screw throttle back throttle balance level throttle balance lever throttle between heating and regeneration flues throttle blind capacitor throttle body throttle-body throttle body injection throttle-body injection throttle body injection system throttlebottom throttle box throttle buffering device throttle burst throttle bush throttle bushing throttle bush seal throttle bushseal throttle butterfly throttle butterfly valve throttle button throttle cable

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