bakelite douche fitting 胶木灌洗配件 bakelite electric appliance 胶木电器 bakelite feed-through insulator 胶木穿线绝缘子 ..
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Press forming of plastic products can be classified into thermosetting material forming and thermoplastic material forming. For example, bakelite of electric appliance industry.
塑料制品压制成型分为热固材料的成型和热塑性材料的成型。
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