哲学上讲抓主要矛盾，看清事物的本质，对于高分子生产技术领域，这尤为重要。塑料加工出现种种的问题，只有深入了解问题的成因，才会做到有的放矢，准确应对，此文仅抛砖引玉。 1、气孔问题 “气”从何来？大体上讲应从三方面进行思考：原料，配方，设备工

May 16-19, 2017 Shenzhen Zhihai Industry Co., Ltd. in Guangzhou Pazhou ‧ China Import and Export Fair, booth number 13.2B61,invite you to become the 31st China International Plastics and Rubber Industry Exhibition Will be the professional buyers, welcome to visit our booth to negotiate。 CHINAPLAS 2017国际橡塑展聚焦“智能

To protect the health of employees, enhance corporate cohesion, build a harmonious business environment, fully reflects the company's staff care and "people-oriented" corporate culture.