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Metallurgical industry
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Metallurgical industry
Metallurgical industry
Date：2018-07-10
Clicks：3666
铁冶金行业应用的阀门工况严格，阀门密封性能不佳，生产工程中的磨损问题造成管道老化和阀门损坏，需要经常维修处理，从而因为阀门...
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