KTH1C隔爆型磁石式(shi)電話(hua)機適(shi)用(yong)于含有(you)爆炸(zha)性氣體(甲烷(wan)和煤塵)的礦井中調(diao)度、通訊,該機與礦用(yong)磁石式(shi)交(jiao)換調(diao)度機組成調(diao)度通訊系統(tong)和行(xing)政電話(hua)網
掃一掃,手機訪問