The Brief Analysis of Marketing : The chloroethylene is the main material for the production of koroseal and its market supply and demand change along with the development of chlorine.
烯是生产聚
树脂的主要原料，它的市场供需随
聚的发展而变化。
树脂The Brief Analysis of Marketing : The chloroethylene is the main material for the production of koroseal and its market supply and demand change along with the development of chlorine.
烯是生产聚树脂的主要原料，它的市场供需随聚的发展而变化。
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