piv
abbr.
pivoted 在枢轴上转动的，转轴的;
post indicator valve 后指示器阀;
例句:
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There are many difficulties for PIV technique application in towing tank.
piv(粒子图像测速)术在拖曳水池中的应用面临诸多困难.
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The airflow field was studied by CFD simulation and PIV experimental methods.
利用CFD模拟和PIV实验 方法对其气相流场进行研究.
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Unsteady flow in centrifugal impeller has been measured by mean of PIV.
利用激光成像速度仪(PIV) 测量了旋转离心叶轮内部的非定常流场.