knifer搅土器, 剖土机
knifen.刀v.用刀切割
knife rest crystals[医] 刀架状晶体, 棺盖状晶体
knife-line attack刀切状腐蚀
knife type shredder甩刀式茎秆切碎机
knife-shaped coin刀币
knife-edge effect刀刃效应
knife-edge tester刀口仪
knife-edge switch刀形开关
knife-over-rolln.辊衬刮刀
knife-edge cutter尖刃模
knife-edge attack刃口蚀缝