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 as the chairman machine, the dcn-dissbcm chairman button is needed to replace the original single microphone button. In the auxiliary control mode, this button can also be used for the discussion machine. Technical specifications mechanical indicators installation card installed on the discussion machine color silver white (RAL 9022) order information dcn-dissbcm chairman button (10) new generation DCN system conference discussion device chairman button (10). Order No. dcn-dissbcm

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