【摘要】 《建筑给水排水设计规范》（ＧＢＪ１５—８８）关于水表的水头损失计算和选择水表时水头损失值的校核控制范围，是据１９８８年前使用的水表参数而定．现行的水表性能参数与过去有很大差异，因此水表的水头损失计算式和选择水表的依据也应作相应的变动．笔者对此进行了讨论．更多还原

【Abstract】 The design strandard of water supply and dewatering(GBJ15-88)the calculation about the head loss of water meter and profconrtal scope of meter loss rate when you select it,are decided accoring to the Parameter used before 1988.There are great differencds between the current present Parameters of water meters and those of fofmer ones.So there should be some changes on the accordance when chosing water meter.Here is my opintion on it.更多还原