... Service Fluid 工作介质 Stainless and Graphite 不锈钢/石墨 Seat testing pressure 压力气密封试验压力 ...
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... Stainless acid-resisting steel 不锈耐酸钢 Stainless and Graphite 不锈钢/石墨 Stainless steel 不锈钢 不锈钢阀门 ...
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... Stainless acid-resisting steel不锈耐酸钢 Stainless and Graphite不锈钢/青灰 Stainless steel不锈钢 ...
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