短語(yǔ)詞組短語(yǔ)digging efficiency 挖掘效率digging angle 切入角;挖掘角;挖掘角度digging stick 挖掘棒digging action 挖掘作用digging leg 開(kāi)掘足;挖掘足digging ladder 挖掘機(jī)鏈斗導(dǎo)架;挖土斗梯狀支架gold digging 金砂礦;金砂積礦床;淘金;找金礦digging grab [機(jī)]抓斗;[機(jī)]挖掘抓斗digging wheel 挖掘圓盤(pán);圓盤(pán)挖掘器digging machine 挖土機(jī)，采掘機(jī) 返回 digging