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栏目专论与综述栏目页一3刀期一1,标题7 n.少曰心dl匕一吕 11 1.11卫﹃1占、止6 6 6 6e666一1 245化学建材是新型建筑材料中一 支重要的生力军_____谈谈我国化学建材的形势_重视引进生产线的消化吸收是当前化学建材行业的重要任 务聚氯乙烯塑料加工的战略对策 标题聚氯乙烯屋面
Column monograph and overview column page 1 3 knife period 1 heading 7 n. less 曰 曰 匕 1. 1. 1. 1. 1. 1. 11 1.11 Wei 『1 account, only 6 6 6 6e666 1 1 245 chemical building materials is an important new type of building materials The fresh force _____ talk about the situation of China’s chemical building materials _ Importance of the introduction of the digestion and absorption of the production line is an important task of the current chemical building materials industry PVC PVC processing strategy strategy title PVC roof