认为石油沥青经过改性后制备浸渍剂沥青符合环保和经济性要求。

It is in keeping with the requirement of environmental protection and economic efficiency to produce impregnating...

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认为石油沥青经过改性后制备浸渍剂沥青符合环保和经济性要求。

It is in keeping with the requirement of environmental protection and economic efficiency to produce impregnating pitch from petroleum bitumen modified.

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将碳纤维织物浸渍-涂层酚醛-缩醛粘结剂树脂，加压固化后制备出碳纤维织物复合材料。

The carbon fabric composites were prepared by dip-coating of the carbon fabric in a phenolic resin and solidified under pressure.

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