无规立构聚丙烯 meaning in Chinese

atactic polypropylene

App standard specification for atactic polypropylene modified bituminous sheet materials using polyester reinforcements
聚酯增强的无规立构聚丙烯
Standard specification for atactic polypropylene modified bituminous base sheet materials using glass fiber reinforcements
用玻璃纤维加筋法测定无规立构聚丙烯改良沥青基薄板材的标准规范
App standard specification for atactic polypropylene modified bituminous sheet materials using a combination of polyester and glass fiber reinforcements
聚酯和玻璃纤维增强相结合的无规立构聚丙烯