英语词汇“pilot drifting method, pilot heading method”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 drifting method, pilot heading method
释义	pilot drifting method, pilot heading method 导硐掘进法; 巷道或硐室施工时，先以小断面超前掘进，而后再扩大到设计断面的方法。
随便看	cymbid Cymbidiella cymbidium cymbidium actum ridl. cymbidium actum ridl var. vernale mak. cymbidium albomarginatum mak. Cymbidium aloifolium cymbidium canaliculatum r.br. Cymbidium changningense Cymbidium chawalongense Cymbidium cochleare cymbidium concrete Cymbidium cyperifolium Cymbidium dayanum Cymbidium defoliatum cymbidium devonianum paxt Cymbidium eburneum Cymbidium elegans Cymbidium ensifolium Cymbidium ensifolium (L.) Sw. cymbidium ensifolium sw. cymbidium ensifolium sw.f.flaccidoior mak. Cymbidium erythraeum Cymbidium faberi Cymbidium faberi Rolfe

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