Double Check Detector Assembly shall be installed on fire protection systems when connected to a potable water supply.

这种双止回阀检测总成应该安装在与饮用水管道连接的消防系统上。

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A Double Check Detector Assembly shall be installed on fire protection systems when connected to a potable water supply.

这种双止回阀检测总成应该安装在与饮用水管道连接的消防系统上。

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Building valves - Manually operated copper alloy and stainless steel ball valves for potable water supply in buildings - Tests and requirements.

建筑物用阀。建筑物内饮用水给水用手动铜合金和不锈钢球阀。试验和要求。

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The state government confesses it can no longer supply potable water free of charge, and has introduced monthly fixed charges - but only residents in affluent neighbourhoods, like Victoria Island, Lekki and Ikoyi, pay.

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"But we feel such innovations will make a difference to our endeavor to supply potable water in our programs, and we would like to see a successful outcome from the research work, " he said.

CNN: Nanotech and 'tea bag' to clean up drinking water