研究结果表明：3种高分子材料（聚氯乙烯、聚乙烯和聚氯丙烯）在江津试验站的最佳试验倾角为30°。
The results show that the best testing angle is 30 degree for the three kinds of polymer materials ( polyvinylchloride , polyethylene and polypropylene ) in Jiangjin natural environmental test station .
江津站