diggern.挖掘者；采掘机；澳大利亚士兵；新西兰士兵digger shovel挖掘铲,壕沟挖掘器digger plough开沟犁digger bottom翻耕犁体digger control挖掘铲的操纵digger dredger采掘式挖泥船digger-sacker块根挖掘-装袋机digger lift shaft挖掘铲,提升机