He wanted to plate copper with silver.
他想给铜容器镀银。
Copper cooling plate: Copper cooling plate is mainly applied to metallurgical and chemical industries.
铜冷却板：主要应用在冶金、化工等行业。
It is used for PS plate, Copper-Zinc plate, etc.
该机适用于PS版、铜锌版等版材的晒制。
It is used for PS plate, Copper-Zinc plate, etc.
该机适用于PS版、铜锌版等版材的晒制。
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