poisonous and harmful substance
Poisonous and harmful substance 有毒和有害物质 Environment-damaging products 对环境有害的产品; Vicious circle 恶性循环 ..
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poisonous and harmful substance
有毒有害物质
以上为机器翻译结果,长、整句建议使用 人工翻译 。
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Ammonia is a poisonous and harmful substance that should be recovered during equipment maintenance so as to avoid it leaks out to pollute environment and hurt human.
氨是一种有毒有害物质,在石化装置设备进行检修时需要对氨进行回收,否则容易造成环境污染和人体伤害及人员中毒事故的发生。
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