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1·The full pipe diameter of the pump entrance.

由于该泵进口管径合理，故其必须吸入压力较低。

2·Pay attention: the pipe diameter is bigger, the pressure is lower.

注意：管径越大，工作压力越小。

3·Pipe diameter optimization is achieved by control pressure of zero points.

按控制零点压力进行管径优化。

4·Required cure time depends on temperature, pipe diameter, and pressure application.

所需要的固化时间与温度、管道直径和应用压力有关。

5·Formula for calculating pipe diameter and lining thickness of pipelines with single lining.

单层衬里管道的管径及衬里厚度优化计算式。

6·Pump inlet pipe diameter changes when level, should choose eccentric different-diameter pipe.

泵的水平入口管变径时，应选用偏心异径管。

7·There isn't a consistent conclusion about how to ensuring water pipe diameter in relate field.

在规划的什么阶段确定管径，一直众说不一。

8·Recommends to make checking computation after adjusting pipe diameter in order to reduce errors.

建议对调整后的管径进行验算，以减少误差。

9·Pigging and caliper with clear pig diameter than pipe diameter usually to interference by 5% to 8%.

清管和测径用的清管器直径通常比管道内径要过盈5%至8%。

10·The change of steel pipe diameter makes steel pipe value and power benefit change at the same time.

钢管直径变化使得钢管造价和发电效益同时发生变化。

管径

1·In the case of constant pipe diameter, lengthening the length of vacuum tube is an effective way to increase the total heat of solar water heater!

在管径恒定的情况下，加长真空管的长度是增加太阳能热水器总得热量的有效途径和方向！

2·Under this situation, we must reduce the speed of pump, increase the power of the motor, increase the import and export of pipe diameter to reduce the flow resistance of the medium.

在这种状况下，必须降低泵的转速，加大电机的功率，加大进出口的管径来减少介质的流动阻力。

3·The Newton iteration method is used to solve the economic pressure on the unknown node, so as to calculate the economic head loss and economic pipe diameter of each section,.

采用牛顿迭代法来求解各未知节点的经济水压，进而得出各管段的经济水头损失、经济管径和水源二级泵站的经济扬程。

4·The pressure range of gas transmission and distribution network, network type, valve arrangement, pipe diameter arrangement, etc.

燃气输配管网的压力级制、管网型式、阀门配置和管径配置等是管网结构因素。

5·Then, the effects of height difference between storage tank and collector, mass of storage water and cycle pipe diameter on system performance were analyzed.

然后，利用数学模型对储水箱与集热板之间高差、系统储水量和循环管径等因素对系统性能的影响进行了预测分析。