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【Daily Question】Utilities - Water Supply and Drainage - 20190226

2019-02-28View Original

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The number of water conveyance pipelines should generally be no less than ( ); when there are safety reservoirs or other measures for ensuring a stable water supply, it is also possible to use just one main water conveyance pipeline. The diameter of this main pipeline and the number of connecting pipes must be determined based on the amount of water that can still be supplied in the event of a failure in any section of the main pipeline. a, 2 b, 3 c, 4 d, 5 Answer: a

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