... hard metal bit tipping 硬质合金钻头包边 ; 硬合金钻头翻转 Hard-metal bit 硬金属钻头 ; 硬金 hard metal bit 硬质合金钎杆 ...
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堆焊硬金。
主要用途：制造蓄电池电极板、硬金、印刷合金、电缆套管及轴承合金等。
Main usage: the product is mainly used in manufacture of the battery electrode plates, the hard gold, printing alloy, cable sets and the bearing alloys, etc.
简要论述了电子工业中接插件硬金镀层的耐磨机理，获得硬金镀层的镀液，节金代金以及镀金层的质量检测等问题。
The present paper deals with the bath for hard gold plating, the quantity controll and the wear mechanism of coatings as well.
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