“shortwall coal cutter”的概念、定义、翻译、参考文献-科学参考

单词	shortwall coal cutter
释义	shortwall coal cutter 短壁截煤机
随便看	pinion rings pinion shaft pinion shaft outside bearing pinion shimming (用垫片) pinion stand pinion steel pinion stop pinion-type steering gear pinion unit pinion wall pinion wheel pinion wire pinion wire (钟) pinipicrin pinit pinite pinitol pin jack Pinjalo pin joint pink pink aggregate pink blossom pink borer pink colour

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