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介绍了大口径波纹管截止阀的结构特点、工作原理及其产品性能。该阀门已经获得国家专利(专利号:ZL 2010 2 0196759.9)。
The structure, working principle and product performance of large-diameter bellows globe valve are introduced. The valve has obtained national patent (Patent No .: ZL 2010 2 0196759.9).