rotary-cut dissolution旋切消融术
quarter-rotary-cut径面旋切
half-rotary-cut半园旋切
rotary cut-off轮转裁切机
rotary cut-off knife旋转切断刀
half-rotary cut半圆旋切的
hand-cut rotary file刻花旋转锉
up-cut rotary blade反转旋耕刀