在实际设计计算中,同一块汇水面积上,兼有多种地面覆盖的情况,此时整个汇水面积上的平均径流系数可以按面积计算得到。
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《室外排水设计规范》中规定,雨水管渠(满流时)的最小设计流速为m/s。
《室外排水设计规范》中规定,雨水管道的最小管径为mm,雨水口连接管的最小管径为mm。
雨水管渠允许溢流,以减少工程投资。因此,雨水管渠的充满度按满流来设计。
A. 对
B. 错
Fill in the blanks.Main Idea:Harvey Maxwell, a busy New York broker, was too devoted to his work to care about other things in life, including his own marriage. It may also imply that _______1________ and _______2_________ are in some way taking away many of the good things we cherish in life.