threshold differential pressure of flow
...三磺饱和盐水泥浆 three-sulfonated-polymer-saturated-brine mud 门限流动压差 threshold differential pressure of flow 滩海 tidal ..
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thresholddifferentialpre ureofflow
计算机网络 ... thresholdgate阈门 thresholdinversion阈反转 thresholdlevel门限电平 ...
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