99久久国产综合精品成人影院-99久久国产综合精品麻豆-99久久国产综合精品女不卡-99久久国产综合精品女小说-99久久国产综合精品网成人影院-99久久国产综合精品五月天

When the discussion machine is set up as a double

 representative machine, the original single microphone button should be replaced by the dcn-disbdd double representative button. Technical specifications mechanical indicators installation card installed on the discussion machine color silver white (RAL 9022) order information dcn-disbdd double representative buttons (10) for the use of double representatives of the new generation of DCN system conference discussion device buttons (10). Order number: dcn-disbdd when the discussion machine is set as a double representative machine, the original single microphone button should be replaced by the dcn-disbdd double representative button. Technical specifications mechanical indicators installation card installed on the discussion machine color silver white (RAL 9022) order information dcn-disbdd double representative buttons (10) for the use of double representatives of the new generation of DCN system conference discussion device buttons (10). Order No. dcn-disbdd

Sales telephone (same number of wechat): 13428785305 QQ: 2461903042