<bdo id="ngswv"><pre id="ngswv"></pre></bdo>

<bdo id="ngswv"><input id="ngswv"><th id="ngswv"></th></input></bdo>

<option id="ngswv"></option>

qd

qd

百科解釋

Queuing Delay -- 排隊(duì)時(shí)延

通信詞典解釋

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