英语词汇“spiral ramp system”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	spiral ramp system
释义	spiral ramp system spiral ramp system [′spī·rəl ′ramp ‚sis·təm] (mining engineering) Development of a mine by driving moderately inclined haulageways from the surface to underground ore horizons.
随便看	afaha afahmasp afahp afai afaia afaiaa afaiac afaic afaicc afaicr afaics afaict afaihn afaik a failing firm afaim a faint heart afair a fair crack at something a fair crack of the whip a fair deal a fairer victoria a fair field and no favor a fair field and no favour assoilzie

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