Therefore, "Green-Guard" was an ideal substitute for Bordeaux mixture as a copper product.
做为铜制剂是传统农药“波尔多液”的理想换代产品。
The company's neighbors in an industrial zone are mostly chemical and copper product factories.
公司所在工业园区内周围的公司大部分是生产化工产品和铜制品的工厂。
A new process of room temperature blackening of copper product surface is described. The composition, function and use method of the blackening solution are presented.
报道了铜制品表面常温发黑的新工艺，介绍了发黑剂的组成、作用和使用方法。
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