copper ball bonding cu丝球键合 ; 铜丝球焊
Live copper ball valve 活接式铜球阀
pressure-measuring copper ball 测压铜球
pressure measuring copper ball 测压铜球
In this paper, the forming process of copper wire ball in copper ball bonding has been studied by numerical simulation.
本文采用数值模拟的方法研究了铜丝球键合技术中的形球过程。
All was cleared up sometime later when news came from a distant place that an earthquake was felt the very day the little copper ball fell.
过了些时候，远方传来了消息：在小铜球坠落的当天，确实发生了地震。这一切终于得到了澄清。
All was cleared up some time later when news came from a distant place that an earthquake was felt the very day the little copper ball fell.
过了一些时候，从远方传来了消息：在小铜球坠落的当天，确实发生了地震。这一切终于得到了澄清。
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