Aerospace series - Gold base alloy AU - B 40001 - Filler metal for brazing - Wire.

航空航天系列.金基合金AU -B40001.钎焊用填充金属. 金属丝.

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Small gold base cabinet: This cabinet has a gold and painted by different and birds.

金地花鸟小柜: 此柜为金色地上面绘有各种花鸟,颜色亮丽是家居置放的上品.

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A new kind of gold base composite material used for electrical contact was prepared by electrodeposition.

通过大量实验,研制出一种用于接插件等元器件作为电接触材料的新型金基复合镀层.

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