塑料中的pp叫丙料(聚丙乙烯),那么低压丙叫什么?重火低压叫什么?
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![塑料中的pp叫丙料(聚丙乙烯),那么低压丙叫什么?重火低压叫什么?](/uploads/image/z/10734960-48-0.jpg?t=%E5%A1%91%E6%96%99%E4%B8%AD%E7%9A%84pp%E5%8F%AB%E4%B8%99%E6%96%99%EF%BC%88%E8%81%9A%E4%B8%99%E4%B9%99%E7%83%AF%EF%BC%89%2C%E9%82%A3%E4%B9%88%E4%BD%8E%E5%8E%8B%E4%B8%99%E5%8F%AB%E4%BB%80%E4%B9%88%3F%E9%87%8D%E7%81%AB%E4%BD%8E%E5%8E%8B%E5%8F%AB%E4%BB%80%E4%B9%88%3F)
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