计算实例表明，其他条件一定时，流体进口温度越低，流量越小，则修正值和修正系数越大。
The calculation example shows that if the inlet temperature of fluid is low and the flux is small, the amendatory value and coefficient are great when the other conditions are fixed.
当流量g发生变化时，输出压力的变化越小越好。
G when the flow changes, the output pressure changes as small as possible.
保护事故现场的时间越短，损失的交通流量就越小。
So the less time it takes to cope with an accident on the scene, the less loss of the traffic flow.
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