The square gutter in- let should arrive at the drainage, meanwhile, it should be harmonious with the total style and the outstandings.

广场雨水口在达到排水目的的同时，还要与广场整体风格、环境协调一致。

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Currently the methods of design flow rate for domestic drainage which are popularly used in the world include square root method, experience method and probability method.

现行建筑内部给水、排水设计秒流量计算方法有平方根法、经验法和概率法等。

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The drainage area of the Lengi River upstream of the proposed mining area at Banko Tengah is reported to be 71 square kilometers.

兰芝河的流域在规划在盘古的矿区的上游。根据报道，南廷加有71平方公里。

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"We could have perhaps helped to divert the water and put in sand bags to protect the cricket square and the drainage channels we have dug over the years on the rugby pitches, " he said.

BBC: Pitch inspection