穷人赚钱门路

卫生级气动阀:气动球阀的特点
所属分类:行业动态发表时间:2017-09-06

从材质上,可以分为:碳钢球阀,不锈钢304球阀,316球阀和铜球阀   
用应用上,可以分为:高压球阀和低压球阀   
高压气动球阀: 主要应用在石油、天然气、液压油、工程机械等行业  

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