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

单词	leapfrog system
释义	leapfrog system leapfrog system [′lēp‚fräg ‚sis·təm] (mining engineering) A system used in mining coal on a longwall face; self-advancing supports are used, with alternate supports advancing as each web of coal is removed.
随便看	nonspectacular nonspecular nonspecular reflection nonspeculative nonspeech nonspherical nonspherically nonspherical nucleus nonspherocytic nonspherocytic hemolytic anemia non-spinning reserve service non-split balancing high order non-spontaneous reaction nonspontaneous reaction nonsporting nonsporting dog non-sporting group non-sport update nonsquare banarch space non-square quadrature amplitude modulation nonstaining cement masonry cement nonstaining mortar non-stand alone non standard non-standard

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