排煙閥(fa) 閥(fa)門平時常閉; Dc24V電動(dong)(dong)開啟(qi)(qi)(qi),手(shou)(shou)動(dong)(dong)開啟(qi)(qi)(qi),輸出開啟(qi)(qi)(qi)信號; 手(shou)(shou)動(dong)(dong)復(fu)位,電動(dong)(dong)復(fu)位。
0523-84560331
181 6854 5599
電話
微信客服
服務熱線:181 6854 5599 465132570@qq.com 傳真:0523-8456 0331