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                  不銹鋼球閥
                  氣動三片式不銹鋼快裝球閥

                  氣動三片式不銹鋼快裝球閥

                  Q681F氣動三片式不銹鋼快裝球閥采用臺灣引進的先進技術,結構合理,外形美觀。閥座采用彈性密封結構,啟閉可靠;閥桿采用倒密封安裝結構,當讀數

                  日韩无码视频
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