您要查找的是不是：
- Hose Connection Gauge for Testing Water Supply Pressure in a Building. Includes High Pressure Indicator Hand. 软管连接仪表,用于测试建筑内的水供应压力,配置高压压力计指针。
- When a Series 994 backflow preventer is installed for dead-end service applications, discharge from the relief vent may occur due to water supply pressure fluctuation during static no-flow conditions. 当系列994防回流阀安装在终端应用场合时，由于在静止无流动情况下水供应压力波动可能会从安全阀排放口产生排放。
- The twice pressurizing control system of the city water supply pressurizing station consists of PLC,transducer and the implementing agency. 城市供水加压站2次加压控制系统由PLC、变频器及执行机构组成。
- In the event of negative supply pressures, such contaminated fluids must not be allowed to backflow to the potable water supply source by backsiphonage or other cause. 一旦出现反供应压力，如污染的流体，则必须不允许由于反虹吸或其他原因回流到饮用水供应系统中。
- The electricity failure paralyzed the water supply. 停电使水供应陷于瘫痪。
- The electricity failure paralysed the water supply. 停电使水供应陷于瘫痪。
- Our water supply has failed (us). 我们的水供应不足。
- Our water supply has been cut off. 我们断水了。
- To protect the potable water supply against backflow from a non-potable source due to negative supply pressure 防止由于反向压力导致的非饮用水倒流到饮用水供应管道中
- Shut off the supply pressure and drain the valve. 切断供应管线的压力,将阀门内残余流体排放出来。
- Shut off supply pressure and drain valve. 关闭供应压力和排泄阀门。
- Our water supply has diminished as a result of the drought. 由於旱灾我们的水贮备减少了。
- Direct connection to mains pressure water supply is not permitted. 严禁直接连在有压力的供水装置上。
- The water supply failed during the drought. 在干旱期供水不足
- Supply pressure is greater than static head pressure. 供水压力大于落差压力。
- The purity in the water supply is very important. 供水的纯净是非常重要的。
- Turn off supply pressure and observe float drop to open air inlet. 关闭供应压力,观察浮子下降,因此开启空气进口。
- Will the water supply hold up through summer? 供水能持续整个夏天吗?
- The train stopped to get its water supply. 火车加水而停了下来。
- Requirement: Supply pressure drop must be 1.0 PSID or more when water flow stops from test cock No. 2. 要求：当水流从测试旋塞2号上停止时，供应压降必须在1.;0PSID及以上。
