用刀切开南瓜 cut open a pumpkin with a knife

用刀把它切开 cut it with a knife

刀被用来切纸 The knife is used to cut the paper

用冷刀锥切 cold knife conization ; CKC

电子用切削刀具 Electronics cutter

平面切削用刀座 facing tool slide

专用剪切刀架 individual shear head

而改用冷刀锥切 cold knife conization ; CKC

平面切削用刀具 facing tool

通用取样切刀 Universal cutter