keyhole saw

英 美
  • 铨孔锯,键孔锯,栓孔锤
  • 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:
  1. a handsaw with a long narrow blade for cutting short radius curves; similar to a compass saw

    1. 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。