?开槽机

... 键槽机 key seating machine; keyway slotting machine 开槽机 channel-opening machine; channeling machine; dado head machine; dado-head machine; elephant; fork grooving machine; groove cutting machine; groove-cutting machine; notching machine; rabbet machine; slotter 刻槽机 closing machine; elephant; grooving machine; groovingmachine; nick bend test ...