["기계密封与干气密封关于", "건식密封也算是机械密封的一种对吧？ 干气密封的密封原理--就是密封面那块有工作的动画效果吗？既然是靠密封旋转时螺纹产生的压缩动力为什么还对密封气体有压力要求呢？", "기자기는 泵用干气？其结构不同는 다릅니다 泵的两种 "串联干气" 和 "双端面"，串联是机械密封与干气密封串联 "机械密封为主， � �干气密封为辅 "压力 "主要主要主要给一级密封一个被压 "使得一级密封液膜宽度更 "宽 延长寿命 "双端面干气密封 "就是两级干气密封 "压力比泵腔压力高 "使介质我无法泄漏，"]

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