Kovar🔊 朗读

双语例句

1 . When the plating exist defect, the gold - plating nickel - plating both promote the stress - corrosion fracture of Kovar alloy.

在镀层存在缺陷时, 镀金、镀镍层均促进柯伐合金的应力腐蚀开裂.

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