the pins will have to be polished in a vibratory tumbler to remov_英语解答

the pins will have to be polished in a vibratory tumbler to remove all burrs and sharp edges.
急,请尽快,谢谢

人气：237 ℃　时间：2019-11-17 23:54:27

解答

这些别针应该打磨一下来去掉上面的锈使它更锋利后面那句这样翻译：删除所有的毛刺和锐利的边缘。是不是更好呢？