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1·If the critical flow meter is used, the measure isn t affected by the variation.

采用临界流量计后，流量计下游压强的变化不会影响流量的测量。

2·The critical flow pressure is a characteristics parameter which does not change with reservoir pressure.

临界流压是地层的特征参数，不随地层压力发生变化。

3·The middle sedimentation area (11) is connected with the upper sub-critical flow area (10) and a reaction area (12).

中部沉降区（11）是斜下变窄，连接缓流区（10）与反应区（12）；

4·Critical flow velocity is an important factor in slurry pipeline transportation. Now, there is not still an universal formula.

临界流速是浆体管道输送的一个重要因素，目前尚无普遍的使用公式。

5·Coordination calculation for the flow in pipe, nozzle and reservoir, critical flow characteristics through the throttling jet are studied.

对管流、嘴流、渗流的协调计算及蒸汽流过节流喷嘴的临界流动特性进行了研究。

6·The effect of some parameters of the system on the values of critical flow velocity is discussed according to the analytical expressions derived.

利用临界流速公式系统地分析和讨论扭转刚度、重力系数和轴向预紧力对管道临界流速的影响特性。

7·The critical flow rates of sand grains with different size migrated from the sand-carrying pipe with different Angle of inclination were measured.

观察了颗粒在不同倾斜角度的井筒中的运移方式，测定了不同粒径的砂粒被携带出的临界流量，揭示了颗粒直径同流体流量关系变化规律。

8·The experimental result shows that the corrosion rate of carbon steel increases with the increasing of flow velocity, and there is a critical flow velocity.

结果表明：随着相对流速的增大，碳钢的腐蚀随之加剧，并发现存在一个临界相对流速值。

9·The Fluid Flow factors contained herein are calculated values. They are therefore approximations and cannot be used for highly critical flow or pressure drop calculations.

这里的液流系数是预测值。因此这些数据只是大致的数据，不能用作高流量临界值或压降估计值。

10·The critical flow velocity of reservoir, sand production rate of oil well and sand control rate of sand retention layer are the key of the technology that is successfully used.

具体储层的临界流速，油井出砂率，挡砂层的挡砂率是该技术的成功核心。