ditcher
特殊用法anchor ditcher1.■锚式挖沟机bull ditcher1.■大型开沟机, 开壁开沟犁double wheel rotary ditcher1.■双轮旋转式开沟机gopher ditcher1.■履带式挖沟机irrigation ditcher1.■灌渠挖掘机jib-type ditcher1.■转臂式挖沟机mole ditcher1.■塑孔暗沟犁power arm ditcher1.■动力臂式挖沟机tractor ditcher1.■机引挖沟机
考试词汇表
