non-negative pressure water supply device
...叠压（无负压）供水设备推广（Non-Negative Pressure Water Supply Device ）_夏湾生活信息网
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non-negative pressure water supply device
无负压供水装置
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The regions adaptive to "non-negative pressure" pressure water supply device were analyzed, and the inadaptable regions with insufficient water source for water supply capacity were presented.
对无负压供水技术进行了分析，指出了设计或使用不合理时可能出现的问题；提出了正确使用无负压供水技术的工程措施。
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