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An air gap provides the unobstructed, physical separation between the discharge end of a potable water supply line and an open receiving vessel. 在饮用水供应系统的排放末端和开敞的接受容器之间，气隙提供不被堵塞的硬件分离。
Forecasting method for seismic disaster of water supply line and example analysis 给水管线震害预测方法及实例分析
Install a 125 PSI pressure relief valve in the cold water supply line. 在冷水供应管道上安装一个125psi的减压安全阀。
A water supply line 62 fluidly communicates with washer/disinfector 10. 一给水管线62流体连接至洗涤消毒器10。
A shutoff and check valve must be installed in the water supply line “G”. 在供水管道“G”的位置必须安装一个关断阀和一个止回阀。
Install a diaphragm-type expansion tank that is suitable for potable water on the cold water supply line. 在冷水供应管道上安装一个适用于饮用水的隔膜型膨胀罐。
"Connect the cold water supply line and hot water outlet lines using elbows, nipples and unions as shown in the diagrams." 通过顶部玻璃纤维绝缘层可以连结管道和电源。使用如图所示的弯管、螺纹接头、管道接头连接冷水进水管和热水出水管。
The Watts Feed Water Pressure Regulator must be installed on the cold water supply line to the boiler. 美国瓦茨进水压力调节阀必须安装在通往锅炉的冷水供应管道上。
An anti-scald device is recommended in the hot water supply line to reduce the risk of scald injury. 建议在热水供应管道上安装防烫装置，减少被烫伤的危险。
Available Conditions: The blacktop road and the power supply line leading from the county seat to the zone have aready reached the margim area of the zone, the sufficient water supply is available. 4、配套条件：目前从县城到景区的乡村油路和供电设施已到达景区边缘，景区水源充足。
Study on water supply and sewer system planning of urban-rural integration 城乡一体化的供排水系统规划初探
Just sign on the dotted line and the car is yours. 你只需签署这份文件，这辆汽车就是你的了。
The installation of unions in both the hot and cold water supply lines is recommended for ease of removing the water heater for service or replacement. 建议在热水‘和冷水管线上安装管接头,以方便热水器的维修或更换。
Line and colour are both important in portrait painting. 线条和色彩在肖像绘画中都很重要。
Furthermore,the use of some of our armed forces against the enemy's rear is particularly effective,because they can disrupt his supply lines and bases. 再则使用若干兵力于敌人后方，其威力特别强大，因为捣乱了敌人的运输线和根据地。
Article 61 Without consent of coal mining enterprises, no units or individuals may occupy the railways, roads, navigation channels, wharves, power lines and water supply pipes specially used by coal mining enterprises. 第六十一条未经煤矿企业同意，任何单位或者个人不得占用煤矿企业的铁路专用线、专用道路、专用航道、专用码头、电力专用线、专用供水管路。
The electricity failure paralyzed the water supply. 停电使水供应陷于瘫痪。
Furthermore, the use of some of our armed forces against the enemy's rear is particularly effective, because they can disrupt his supply lines and bases. 再则使用若干兵力于敌人后方，其威力特别强大，因为捣乱了敌人的运输线和根据地。
He rubbed out the lines and remade them. 他把线擦掉，又划了几条。
The electricity failure paralysed the water supply. 停电使水供应陷于瘫痪。