The solid and liquid waste are separated before being recycled.
液体的和固体的废料在需要在回收前分开。
Do not let waste liquid from the batteries sink into the land or the water.
千万不要让旧电池中的废液渗入到水土中！
The invention relates to a recovery method of tin in tin-stripping waste liquid.
本发明为一种退锡废液里锡的回收方法。
The invention relates to a recovery method of tin in tin-stripping waste liquid.
本发明为一种退锡废液里锡的回收方法。
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