The article mainly analyses consumption situation of the plastic material polystyrene in our domestic market, and introduces the ways of recycling waste polystyrene.
着重分析了聚苯乙烯塑料在我国的消费状况，介绍了废聚苯乙烯回收利用的方法。
However, the majority of domestic automation of batch process is still low, and it is also prevalent with high energy consumption, high material consumption and other issues.
然而国内大部分间歇生产过程的自动化水平却依然偏低，还普遍存在高能耗、高物耗等问题。
However, the majority of domestic automation of batch process is still low, and it is also prevalent with high energy consumption, high material consumption and other issues.
然而国内大部分间歇生产过程的自动化水平却依然偏低，还普遍存在高能耗、高物耗等问题。
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