keyhole saw
英
美
- keyhole n.钥匙孔;(篮球)罚球区adj.内幕的;偷偷打听的
- saw n.锯v.用锯子锯;前后移动;看见,明白,了解(动词see的过去式)
Noun:
-
a handsaw with a long narrow blade for cutting short radius curves; similar to a compass saw
- A segment of the box corner was removed with a hole saw in order to permit an examination of the crack.
为了对裂纹进行检查,用圆孔锯从箱型断面拐角处锯下一部分。