vll 中文意思是什麼
vll
解釋
虛擬租用線路-
Vll video monitor system there are monitor points in the fift and at the entrance
電視監控系統：在電梯內和每層樓出入口均設有監控點。 -
This article discussed the application of shear stress pairing method to evaluation dam base vibration liquefaction of earth - fill dam according to the problem that the sand and gravel layer of main dam base could be liquefied in the condition of seismic intensity grade vll in the design of nierji hydro project
本文結合尼爾基水利樞紐工程設計中主壩壩基砂礫石層（ < 5mm含量> 30 =在地震裂度級工況下可能發生液化的問題，探討了用剪應力對比法在評價土壩壩基震動液化中的應用。
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