Be like conduit design again, the course is transformed reasonably, can assure noninterference of each other of water heater, gas conduit, work normally.
再如管道设计，经过合理的改造，可以保证热水器、煤气管道互不干扰，正常工作。
This paper introduces the design calculation, construction method and the application effect in river course renovating of water passed sand dam.
介绍了过水砂坝的设计计算、施工方法及在河道整治中的应用效果。
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