<label id="3ipdn"><form id="3ipdn"></form></label>

<sub id="3ipdn"></sub>

<bdo id="3ipdn"><pre id="3ipdn"><object id="3ipdn"></object></pre></bdo>

<ruby id="3ipdn"><ins id="3ipdn"><noframes id="3ipdn"></noframes></ins></ruby>

DSVD

DSVD

百科解釋

Digital Simultaneous Voice & Data -- 語音和數(shù)據(jù)同時數(shù)字傳輸

通信詞典解釋

<style id="tc4a1"></style>