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分析了聚氯乙烯厂电石法生产PVC原有水洗装置存在的问题与不足。
The existing problems and shortages of original PVC water units by calcium carbide method were analysed.
youdao
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分析了聚氯乙烯厂电石法生产PVC原有水洗装置存在的问题与不足。
The existing problems and shortages of original PVC water units by calcium carbide method were analysed.
youdao