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| 〔支〕片层塑料覆盖成形模胎; 片层塑料覆盖成形模胎 (是一种用以成形某种产品零件的模型。零件的材料可以是板塑料、玻璃纤维布覆盖材料、增强树脂和其他同等类型的材料。成形时还将采用加热、加压和覆盖成形技术) | |||
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