PCCP预应力高强钢丝
prestressing wire in PCCP
北京电力高等专科学校化学工程系
beijing electric power college chemistry department
超高力学性能
Super high mechanical property
高强力高模量纤维
high tenacity and high modulus fibre
高强力高模数聚乙烯醇纤维
high tenacity high modulus polyvinyl alcohol fibre