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1·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。

2·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。

3·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。

4·Double Check Valve Assembly shall be installed at referenced cross-connections to prevent the backflow of polluted water into the potable water supply.

在相关的交叉连接处应该安装一个双止回阀总成，以防止受到污染的水回流到饮用水系统中。

5·A Double Check Valve Assembly shall be installed at each noted location to prevent the unwanted reversal of polluted water into the potable water supply.

双止回阀总成应该安装在每个值得注意的位置，用于防止污水出现不需要的回流而流进饮用水供应系统中。

6·When a receiving water is to be used as a potable water supply, phenol and other organics discharged in industrial wastes will cause tastes and odors in the water.

当一个接收水是水作为饮用水的供应，苯酚和其他有机物的排放，工业废物将口味和气味的原因。

7·Designed to prevent the flow of contaminated water back into the potable water supply, these devices require no plumbing changes, and screw directly onto a sill cock.

其功能在于防止污染水回流到饮用水供应系统中，这些装置不需要对改变管线，只需要直接螺纹旋在洒水龙头上即可。

8·In addition, accomplishments such as the supply of potable water to a community are only responses to problems that mankind created in the past.

再者，像供应社区饮水的这类成就，就只是人类在为过去所制造的问题做出回应而已。

9·In addition, accomplishments such as the supply of potable water to a community are only response to problems that mankind created in the past.

再者，像供应社区饮水的这类成就，就只是人类在为过去所制造的问题做出回应而已。

10·They supply the energy for a submersible pump that pumps the water up from a well that is 105 feet deep and for a small desalination unit that satisfies farmers' potable water requirements.

将产生的电能给安放在潜入105英尺的井中的水泵供电取水，再将水通过一个小的脱盐单元便可以满足农民饮用水的需求。