短語詞組短語electric rock drill [鑛業(yè)]電動鑽巖機;[鑛業(yè)]巖石電鑽;[鑛業(yè)]電動鑿巖機;電動鑽巖機electric rock rotary drill 巖石電鑽electric rock drill bit 電動鑽巖機鑽頭electric c rock drill 電動鑽巖機electric railway rock drill 電動鑽巖機electric railway rock drill bit 電動鑽巖機鑽頭 返回 rock electric drill