The Copper Frame 黄铜地
copper alloy lead frame 铜合金引线框架
copper alloy lead-frame 铜合金引线框架
copper-based lead frame 铜基引线框架
leading frame copper alloy 电子引线框架铜合金
copper based lead frame materials 铜基集成电路引线框架材料
copper alloys for lead frame 铜基引线框架材料
This old bed has a copper frame.
这张旧床的床架是铜的。
A new process on EDM is investigated in this experiment, in which a copper frame electrode is used.
实验研究探讨了一种使用线框电极的电火花套料加工的新工艺。
Guide frame, tension sleeve and twisting copper sheathing are lubricated once per shift.
导向架和箍圈、扭转铜套，以上各点每班注油一次。
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