铅能改善黄铜的切削性能﹔这种易切削黄铜常用作钟表零件。
Lead can improve the cutting performance; brass this easy cutting brass used as watch &clock parts.
本文主要介绍螺钉、螺帽和钟表零件的离子镀渗铝镀膜性能初步研究成果． 文中着重研究了铝镀膜的性能和组织结构。
The article presents elementary fruit of our research on how screws and clock parts are coated with aluminium by ion-plating process.
这个奇妙的小装置，由一个“电容器”和一个“钟表零件”制成，“搭有一个计时器”，这样一来当它引开那些好奇的警卫时，你正蹑手蹑脚的溜过去拿走那些好东西！
This wonderful little device, made from a Capacitor and Clock Parts, comes with a timer, so while its distracting the curious guard, you're sneaking past him to get the goods!
应用推荐