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	Diptychocarpus strictus diptychs dip-type developing dip type electrical conductivity cell diptyque Dipu dipucaine Dipuciaine dipulse dipulse code dipulse system dip under dipuosome dip up dipus dipuss diputados DIP/VAC Dip/Vac/Ads dip valley dip varnish dip varnishing dip vat dip vector dipvergence

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