polyvinyl chloride plastic welding rod的意思|示意
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降氯乙烯塑料焊条
polyvinyl chloride plastic welding rod的网络常见释义
降氯乙烯塑料焊条 ... polyvinyl chloride hose 聚氯乙烯软管 polyvinyl chloride plastic welding rod 降氯乙烯塑料焊条 polyvinyl chloride resin (PVCR) 聚氯乙烯树脂 ...