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.
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