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          1. 手轉閥
            態度決定成敗

            HV-400系列手轉閥

            產品簡介:HV400系列手轉閥 該產品有多種內外螺紋連接形式,適合不同管路系統使用,換向滑動順暢,手感好,有效流通面積大.閥體表面硬質氧化處理,色澤保持時間長.
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