rotary rock drill回转: gyration; rotation; swing; t ...凿岩机: rock drill; hammer drill; qu ...回转式凿岩机: rotary drill凿岩机: rock drill; hammer drill; quarrying machine; widowmaker; plugger; jackdrill车装凿岩机: drillmaster下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:回转凿岩机,即可在微信中查询翻译