potable water supply within buildings
...elines for compressed air in plants 用于车间里的压缩空气的管道 Potable water supply within buildings 建筑物里饮用水供给 Sealing of flat roofs 屋顶平台封顶 ..
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potable water supply within buildings
建筑物内的饮用水供应
以上为机器翻译结果，长、整句建议使用 人工翻译 。