无螺纹连接固定，无摆动旋转连接，双层密封，独特密封保护工艺，防止水中杂质进入密封层。
No Screw Thread Connect Fix, No Sway Rotate Connect, Two Layer Seal, Distinctive Seal Protect Craft, Prevent Impurity Enter The Seal Layer.
无螺纹连接固定，无摆动旋转连接，双层密封，独特密封保护工艺，防止水中杂质进入密封层。
No Screw Thread Connect Fix, No Sway Rotate Connect, Two Layer Seal, Distinctive Seal Protect Craft, Prevent Impurity Enter The Seal Layer.
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