knifer搅土器, 剖土机
knifen.刀v.用刀切割
knife edge loading线荷载
knife gin saw file三角尖锉
knife edge support刃形支承
knife handle style刀把式
knife for fillings填料切割刀
knife-edge pivot刃形枢轴,刀形枢轴
knife shaping tool刀头刨头
knife edge profile刀刃形断面
knife-edge pulse偃刀脉
knife fixing screw切片机刀片固定螺钉