放(Fang)气(Qi)阀(Fa)门(Men)又(You)称(Cheng)排(Pai)气(Qi)阀(Fa)，(?)是(Shi)整(Zheng)个(Ge)暖(Nuan)气(Qi)片(Pian)系(Xi)统(Tong)中(Zhong)不(Bu)起(Qi)眼(Yan)却(Que)又(You)有(You)着(Zhuo)至(Zhi)关(Guan)重(Zhong)要(Yao)的(De)作(Zuo)用(Yong)的(De)装(Zhuang)置(Zhi)。(?)放(Fang)气(Qi)阀(Fa)门(Men)一(Yi)般(Ban)都(Du)安(An)装(Zhuang)在(Zai)暖(Nuan)气(Qi)片(Pian)顶(Ding)部(Bu)位(Wei)置(Zhi)，(?)外(Wai)观(Guan)像(Xiang)个(Ge)小(Xiao)螺(Luo)丝(Si)。(?)舒(Shu)适(Shi)100网(Wang)暖(Nuan)通(Tong)专(Zhuan)家(Jia)指(Zhi)出(Chu)，(?)在(Zai)整(Zheng)个(Ge)暖(Nuan)气(Qi)片(Pian)系(Xi)统(Tong)运(Yun)行(Xing)过(Guo)程(Cheng)中(Zhong)，(?)管(Guan)道(Dao)内(Nei)部(Bu)不(Bu)断(Duan)会(Hui)有(You)气(Qi)体(Ti)

产(Chan)生(Sheng)，(?)这(Zhe)些(Xie)气(Qi)体(Ti)被(Bei)存(Cun)储(Chu)在(Zai)系(Xi)统(Tong)的(De)高(Gao)点(Dian)，(?)待(Dai)到(Dao)这(Zhe)些(Xie)气(Qi)体(Ti)积(Ji)累(Lei)到(Dao)一(Yi)定(Ding)程(Cheng)度(Du)时(Shi)，(?)就(Jiu)会(Hui)产(Chan)生(Sheng)“(?)气(Qi)堵(Du)”(?)现(Xian)象(Xiang)，(?)阻(Zu)碍(Ai)系(Xi)统(Tong)管(Guan)道(Dao)中(Zhong)水(Shui)的(De)流(Liu)动(Dong)，(?)导(Dao)热(Re)散(San)热(Re)器(Qi)出(Chu)现(Xian)不(Bu)热(Re)或(Huo)发(Fa)热(Re)不(Bu)均(Jun)的(De)现(Xian)象(Xiang)，(?)因(Yin)此(Ci)，(?)放(Fang)气(Qi)阀(Fa)门(Men)是(Shi)暖(Nuan)气(Qi)片(Pian)采(Cai)暖(Nuan)系(Xi)统(Tong)中(Zhong)不(Bu)可(Ke)或(Huo)缺(Que)的(De)一(Yi)部(Bu)分(Fen)。(?)大(Da)多(Duo)数(Shu)采(Cai)暖(Nuan)系(Xi)统(Tong)的(De)高(Gao)点(Dian)都(Du)会(Hui)设(She)置(Zhi)有(You)自(Zi)动(Dong)放(Fang)气(Qi)阀(Fa)门(Men)，(?)一(Yi)般(Ban)情(Qing)况(Kuang)下(Xia)，(?)排(Pai)气(Qi)阀(Fa)会(Hui)自(Zi)动(Dong)排(Pai)气(Qi)，(?)但(Dan)部(Bu)分(Fen)暖(Nuan)气(Qi)片(Pian)上(Shang)的(De)放(Fang)气(Qi)阀(Fa)门(Men)需(Xu)要(Yao)人(Ren)工(Gong)手(Shou)动(Dong)进(Jin)行(Xing)放(Fang)气(Qi)。(?)