<ol id="osgnl"></ol>

<center id="osgnl"></center><bdo id="osgnl"><dl id="osgnl"></dl></bdo>

<bdo id="osgnl"><pre id="osgnl"><sup id="osgnl"></sup></pre></bdo>

<bdo id="osgnl"><dl id="osgnl"></dl></bdo>

<bdo id="osgnl"></bdo>

NPPF

NPPF

百科解釋

Non-Polarization Preserving Fiber -- 非偏振保持光纖

通信詞典解釋