One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 256
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Fill-in-the-blank: During the PVC polymerization process, the higher the degree of alcoholysis of the dispersant polyvinyl alcohol, the _________ the melting time of the resulting PVC resin. Answer: The longer ；
-------------The longer the melting time.
During the PVC polymerization process, the higher the degree of alcoholysis of the dispersant polyvinyl alcohol, the longer the melting time of the resulting PVC resin ___.
During the PVC polymerization process, the higher the degree of alcoholysis of the dispersant polyvinyl alcohol, the longer the melting time of the resulting PVC resin.
The melting time of PVC resin is long
During the PVC polymerization process, the higher the degree of alcoholysis of the dispersant polyvinyl alcohol, the _________ the melting time of the resulting PVC resin. The longer
During the PVC polymerization process, the higher the degree of alcoholysis of the dispersant polyvinyl alcohol, the longer the melting time of the resulting PVC resin.
During the PVC polymerization process, the higher the degree of alcoholysis of the dispersant polyvinyl alcohol, the __longer_______ the melting time of the resulting PVC resin.
During the PVC polymerization process, the higher the degree of alcoholysis of the dispersant polyvinyl alcohol, the longer the melting time of the resulting PVC resin.
During the PVC polymerization process, the higher the degree of alcoholysis of the dispersant polyvinyl alcohol, the __longer__ the melting time of the resulting PVC resin.