镂锯 镂锯的英文 英语翻译 fret saw 拓展翻译 镂刻carve; enchase; engrave镂苔属Sticta冷锯cold saw冷锯机cold sawing machine冷圆锯cold saw链锯chain saw颅骨环锯cranial trephine颅骨环锯术cephalotrypesis; cranial trepanation; craniotrypesis轮锯circular saw螺纹锯床thread sawing machine