发布时间:2025-02-02 22:49:16
当暖气开始供暖时原有管道里有部分空气容易产生积气,热水不能顺畅流到终端,造成暖气不热,这两个排气阀门就是末端排出积气的。
文末庞格拉茨的钡云说明了这一现象的发生过程中的说明具体意思是
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