automatic-feed drill自动: voluntarily; of one's own ac ...推进: push on; carry forward; adva ...凿岩机: rock drill; hammer drill; qu ...机械推进凿岩机: power feed drifter链式推进凿岩机: chain feeder rock drill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:自动推进凿岩机，即可在微信中查询翻译
