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设备、管道、阀门的密封问题十分重要。我厂从1981年开始使用山东惠民机械工程材料厂生产的柔性石墨作为密封材料,取得了良好的效果。
Equipment, piping, valve sealing problem is very important. I plant from 1981, Shandong Huimin Mechanical Engineering Materials Factory production of flexible graphite as a sealing material, and achieved good results.