◎ 圆锯 yuánjù
(1) [circular saw]∶ 一种薄的钢制圆盘形锯,在盘的圆周上有齿,锯盘在心轴上旋转
(2) [rim saw]∶ 锯齿在一个分开的环上的一种圆盘锯

1.buzz-saw; circular saw; annular saw; rim saw; ring saw