Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
<p>慢走丝线切割切厚料时经常断丝，特别是切到60mm以上的工件。穿了三次才成功一次。有没有穿丝的实用技巧可以分享？</p>