废旧电池即使没有了使用价值也不可随手乱丢，因为它们会污染环境！
Old batteries can't be discarded casually even when they are no longer useful, because they'll pollute the environment!
目前，人们逐渐意识到废旧电池对环境污染的严重性及其可回收利用价值。
Right now, people gradually realize both the serious impact on the environment by which disused batteries have had and the metal recycling values in them.
本实用新型的电池保护器结构简单，成本低廉，能有效延长电池的使用寿命，从而降低废旧电池对环境的污染。
The battery protector has simple structure and low cost, and can effectively prolong the service life of batteries, thus reducing the pollution of waste batteries to environment.
本实用新型的电池保护器结构简单，成本低廉，能有效延长电池的使用寿命，从而降低废旧电池对环境的污染。
The battery protector has simple structure and low cost, and can effectively prolong the service life of batteries, thus reducing the pollution of waste batteries to environment.
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