polyvinyl chloride造句
(31) A hollow fiber ultrafiltration membrane was prepared by using polyvinyl chloride (PVC) and polysulfone (PSF) blends and the dry wet spinning technology.
(32) This Standard supersedes polyvinyl chloride plastic sheets for waterproofing ( GB 12952 - 1991 ) .
(33) The experimental results showed that polyvinyl chloride could be chlorinated quickly by the plasma chlorination process at low temperature.
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