以不饱和聚酯树脂作为非发泡树脂成型制品的外壳，用聚氨酯树脂发泡形成泡沫芯层，研究了液体反应树脂的旋转模塑发泡成型泡沫夹层制品的工艺过程。
The process of rotational foaming molding of liquid reactive resin was studied, with unsaturated polyester resin as the shell of unfoamed resin moulded part, and polyurethane as foamed core layer.
液体直接注塑工艺中，尤其是树脂传递模塑工艺在汽车业中的应用，已被证实相当成功。
Liquid direct processing, and RTM in particular, has been proven extremely successful in the automotive industry.
液体直接注塑工艺中，尤其是树脂传递模塑工艺在汽车业中的应用，已被证实相当成功。
Liquid direct processing, and RTM in particular, has been proven extremely successful in the automotive industry.
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