基本解釋反向鏟鏟土機;反鏟挖掘機詞組短語短語backhoe on shovel 反鏟單斗挖土機backhoe e shovel 反向鏟鏟土機mining with backhoe shovel 反鏟開采工藝backhoe shovel更多詞組專業(yè)釋義土木建筑工程反向鏟鏟土機