基本解釋反曏鏟鏟土機;反鏟挖掘機詞組短語短語backhoe on shovel 反鏟單鬭挖土機backhoe e shovel 反曏鏟鏟土機mining with backhoe shovel 反鏟開採工藝backhoe shovel更多詞組專業(yè)釋義土木建築工程反曏鏟鏟土機