Its a waste of energy for the full-life needs water hydrant pressure risen to power has done.
其浪费的能量为把全日生活用水量扬升到消火栓需要压力所做的功。
On the basis of fire standards and practices the fire hydrant system, pressure stabilizing apparatus and fire pumps are discussed and design criteria are proposed.
根据国内外消防规范和工程实践经验就消火栓系统和消防稳压泵、消防泵等几个问题进行探讨，并提出设计参数。
On the basis of fire standards and practices the fire hydrant system, pressure stabilizing apparatus and fire pumps are discussed and design criteria are proposed.
根据国内外消防规范和工程实践经验就消火栓系统和消防稳压泵、消防泵等几个问题进行探讨，并提出设计参数。
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