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黄铜球阀三维动画：结构爆炸 + 流体开闭 + 密封原理全可视化演示
2026-08-30
网络整理
佚名
185
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Key Point:黄铜球阀属于旋转 90° 启闭阀门，工作逻辑简单直观:旋转手柄 → 带动阀杆转动 → 驱动球芯同步旋转 90° → 实现阀体流道的通断与密封，操作轻便、启闭迅速
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