基本解釋[機(jī)] 反鏟詞組短語(yǔ)短語(yǔ)back -acting shovel shovel 反鏟hydraulic back -acting shovel 液壓反鏟backacting shovel更多詞組專(zhuān)業(yè)釋義經(jīng)濟(jì)學(xué)反鏟鏟土機(jī)能源科學(xué)技術(shù)反鏟挖土機(jī)