1、
Hazard properties: Non-inflammable, emits poisonous gas by high temperature.
危险特性: 本身不能燃烧.受高热分解放出有毒的气体.
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2、
The poisonous gas sent off by factories and autombiles has made the air unhealthy to breathe.
流鼻涕.工厂和汽车排出的有毒气体被吸入以后对人体有害.
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3、
Try to get something go prevent the poisonous gas from passing up into the atmosphere.
拿点什么来防止有害气体进入空气.
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4、
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