The variety, properties, features of production process and main application field of special PVC resin has been detailed introduced.
详细介绍了聚氯乙烯专用树脂的品种、特性和生产工艺特点以及主要应用领域。
The development, production process, features of raw materials and the influence of the amount of powder adhesive on the performance of multi-layer coating system are introduced.
介绍了复层建筑涂料的研制、生产、原材料特点以及胶粉不同掺量对复层涂料性能的影响；讨论了施工过程中的注意事项。
Describe production methods and their process features of main stampings of frame side member of heavy truck in China and give a survey to technical improvement of stamping of the frame.
叙述了我国重型汽车车架主要冲压件现行的各种生产方法及其工艺特点，并对车架冲压的技术进步进行了探讨。
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