拆线刀 ripper

拆信刀 paper knife

拆卸式刮刀钻头 drag rotary detachable bit

可拆卸刺刀 [军] movable bayonet

拆箱刀 unboxing knife

手机拆机螺丝刀 mobile phone disassembly screwdriver

专业可拆卸替换刀片 professional removable replacement blade