He wanted to plate copper with silver.
他想给铜容器镀银。
The flow of electrons is from the negative zinc plate to the positive copper plate.
电子从负的锌板流向正的铜板。电子从负的锌板流向正的铜板。
He said: "You just pass the copper plate along. It doesn't matter."
他说，你们就把那铜盘子传过去就是了，没有关系的。
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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