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三娃同志:在配制与存放波尔多液的时候,强调用木桶或瓷器家俱,忌用铁桶等金属容器。为什么?我们知道,波尔多液是由硫酸铜、生石
Three baby comrades: in the preparation and storage of Bordeaux mixture, emphasizing the use of wooden or porcelain furniture, avoid using metal containers such as metal drums. Why? We know that Bordeaux mixture is made of copper sulfate and stone