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HB3H-A-D4K-03型豐興電磁閥：為平衡閥，上海博嵐科技有限公司，量大價優，豐興TOYOOKI平衡閥理想的調節性能； 動態平衡閥

優秀的截止功能；

精確到1/10圈的開啟狀態顯示；

理論流量特性曲線為等百分比特性曲線；

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