根据河流宽度，穿越管道可能很长，需要多根管段。
This string of pipe may be very long, depending on the width of the crossing.
试验表明，利用钢纤维和自应力混凝土可以有效地降低管道外包混凝土的裂缝宽度。
The test results show that steel fiber reinforced self-stressing concrete could decrease the crack width of penstocks effectively.
一般，清理和平整管道通过带的宽度为50英尺，超过50英尺的偶有所见。
Generally, the right-of way is cleared and graded to a width of 50 feet, but greater widths are not uncommon.
开槽埋设钢管等柔性管时，开槽宽度对于作用于管道上的竖向土压力有着很大的影响，这已被现场实测和模拟试验结果所验证。
It has been proved, through field-measured data and model test results, that trench width has much effect on vertical earth pressure on trenched flexible pipes such as steel pipelines.
使用管道传送，不受动力传送路线的限制。通过对传送液体的控制及对构件宽度的改变，实现对传送角动力的控制及角速度的改变。
By controlling transferred liquid and changing width of member is can implement control of transferring angular power and change of angular velocity.
使用管道传送，不受动力传送路线的限制。通过对传送液体的控制及对构件宽度的改变，实现对传送角动力的控制及角速度的改变。
By controlling transferred liquid and changing width of member is can implement control of transferring angular power and change of angular velocity.
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