发布时间:2025-01-28 01:02:55
清山泉纯水机在 设计上,一般采取五级以上过滤技术,第一级进口1微米PP滤芯更换周期为6月一次,第二级采用进口椰壳活性炭更换周期为9月一次,第三级采用进口网炭更换 周期为1年一次,第四级采用进口反渗透膜周期为3年一次,第五级采用进口后置T33更换周期为2年一次。这个也是需要根据各个地域水质硬度差异而定。
建筑给水排水设计规范中雨水设计径流系数的取值范围是如何规定的
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