请不要使用金鱼作为饲料，因为某些金鱼饲养场使用硫酸铜处理金鱼，当硫酸铜达到一定浓度时是对龟有毒的。
Goldfish should be avoided because of certain treatment (copper sulfate) the fish farms use that is toxic to turtles after a certain level is reached.
将农用硫酸铜经一系列脱杂处理，得到电镀用硫酸铜。
Copper sulfate for electroplating was obtained from agricultural copper sulfate after removing impurities.
将农用硫酸铜经一系列脱杂处理，得到电镀用硫酸铜。
Copper sulfate for electroplating was obtained from agricultural copper sulfate after removing impurities.
应用推荐