Also, such factors as velocity of flow, pipe diameter, water temperature, etc, are taken into account in the equation, thus making calculated results adaptable to practice.

该公式同时考虑了流速、管径、水温等因素的影响，具有较强的适用性。

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

注意：管径越大，工作压力越小。

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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。

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Each day 870, 000 liters of sewage pass through before being discharged, 99% decontaminated, through a 25-centimeter-diameter pipe into the harbor where grade-schoolers learn to tack.

FORBES: Muckraker

Inside the riser pipe is a space about half a meter in diameter, large enough to hold the spinning drill pipe and bit and to allow the return flow of drilling fluid.

FORBES: The delicate art of sucking up

In the video, officials were shown removing the pipe from a ceiling that apparently was just below the restroom and then, at the hospital, using pliers and saws to gently pull apart the pipe, which was about 10 centimeters (about 3 inches) in diameter.

NPR: Reports: Woman Who Reported Newborn In Pipe Is Mom