这房子的供水水压低。
长期的经济抑制包括石油生产和出口的下降,人口快速增长造成的供水压力,工业膨胀和逐渐严重的水污染。
Long run economic constraints include declining oil production and exports and pressure on water supplies caused by rapid population growth, industrial expansion, and increased water pollution.
普通水塔储蓄一整天的用水,由此,即便在停电的情况下,重力作用仍能保持供水系统的静水压力。
And since a typical tower contains a full day's worth of water, the force of gravity can maintain the hydrostatic pressure of the water system even when the power goes out.
以压力水头为因变量的数学模型可以模拟供水压力和灌水器特性对灌溉效果的影响。
A mathematical model whose variable is water head can simulate the effects of water head and properties of subsurface irrigation pipe on irrigation.
实现城市雨水资源化可以有效地减轻城市洪涝灾害,缓解城市供水压力。
Achieving the urban rainwater resources may abate efficiently the urban flood disaster and alleviate the pressure of the water supply.
管网安全供水是指在出厂水质合格并具有足够水量和压力的前提下以尽可能低的造价,同时满足用户在水质、水量及水压三方面的要求。
The safety water supply distribution system means that the finished water can meet the users' need from the water quality, water quantity and water pressure at the same time.
系统的逻辑控制与PID运算由PLC完成,供水压力由PLC的模拟电位器设定,系统组成简单、运行可靠。
The logical control and PID operation are completed by PLC, water pressure be sited by regulation-resistance. The system composition is simple and running is reliable.
供水压力不能超过热水器工作压力的80%。热水器的工作压力标注在热水器的参数板上。
Water supply pressure should not exceed 80% of the working pressure of the water heater. The working pressure is stated on the water heater's data plate.
在安装热水器之前,关闭主供水阀门,打开水龙头将住宅内的水压释放掉,然后关闭水龙头。
Before proceeding with the installation, close the main water supply valve, open a water faucet to relieve the house pressure and then close the faucet.
压力表可发出供水压力下限和上限开关信号。
The pressure meters can give the switch signals of up limit pressure and down limit pressure of water supply.
经过研究发现,管道埋设附近的土质情况和管道的供水压力是主要因素。
It is found that the situation near the soil pipe laying and the water pressure in pipe are the main factors.
到2025年,世界上许多国家都将承受巨大的供水压力,而生活在这些国家的人口数几乎将翻倍,上升为60亿人。
"By 2025 the proportion of the world" s population living in countries of significant water stress will almost double, to 6 billion people.
同时使用水流传感器检测用户用水信号实现对用水循环泵的控制以提供合适的供水压力;
At the same time, a water flow sensor was used to achieve the control of water supply pump which can provide suitable water pressure.
当水池水面下降后,浮球阀重新开启,控制室水压下降,主阀再次开启继续供水,保持液面的设定高度。
When the water tank after falling, floating ball valve to open, the control room pressure drops, the main valve to open again to water, keep the level set height.
为了保持相同的热水和冷水压力,这个装置应该安装在整个室内住宅的供水管道上。
This should be placed on the supply to the entire house in order to maintain equal hot and cold water pressures.
提出了提高水源水质指标,保障供水压力,控制供水温度的具体方法。
The methods of raising water quality index, ensuring the water pressure and controlling water temperature are put forward.
计算机自动监控系统是保障供水系统自动正常运行,实现水温和水压自动调节与控制的关键环节。
Automatic computer monitoring system is the key to ensure the normal operation of automatic water supply system, and achieve automatic adjustment and control of the water temperature and pressure.
它不但能根据用水用户的实际要求进行远程控制,满足用户的实际要求,为用户提供高质量的供水服务,解决了当前存在的许多地方供水压力达不到要求的矛盾;
It can not only control according to the fact of consumer in the distance to solve the contravention of water supply pressure not enough , but also found fault of it in time.
目前给水管网普遍存在供水压力不均、管网漏损量大、爆管事故频繁、供水水质不达标等题目。
At present, widespread network of pipes to the uneven water pressure, large pipeline leakage, burst pipes have been frequent incidents, water quality standards are not issues, and so on.
利用支持向量机推求管网节点水头和供水泵站供水量、供水压力的非线性关系。
The nonlinear relation between node pressure head of the pipe network and water capacity and pressure of water supply pump station was deduced by SVM.
提供了城市供水水泵的变压变流量自动控制方法,成功地解决了水源地和地区加压站昼夜之间水流量和水压变化大、难以控制的问题。
This peper introduces the new method about variable pressure and variable current control of water pump in the process of cities water supply.
但是广泛分布在农村以及小城镇中的小型水厂,其自动化程度不高,供水水质、供水水压都存在诸多问题,小型水厂控制系统自动化急待提高。
But, the automaticity was not seniors, and the automation needed to raise in the miniature water works widlly distributed in vill - ages and small twons.
家用储水箱供水,可大大增加水压且保持水压稳定。
Water supply for the household water storage box. It can largely increase the water pressure and keep the water steady.
结果表明,大型泵站采用变频恒压供水系统,对确保水压平稳、实现泵站全自动控制有着十分重要的意义。
Results show that it is very important to adopt variable frequency and constant pressure to ensure steady water pressure and to realize auto-c...
论述了某烧结厂浊环水泵供水系统 ,根据其工艺特点 ,采用压力传感器及智能调节器组成压力闭环系统 ,控制变频调速器 ,从而调节电机———水泵之转速 ,维持供水压力为恒定 。
This paper introduces the application of general inverter in the coal dust supply closed loop control system of power station, which consists of relevant transducer and intelligent controller.
高压泵自动欠压保护,当供水泵的海水压力低于0.05Mpa 时,设备自动停机并报警。
High pressure pump equipped with low-pressure protection device, when pre-treated sea water pressure is less than 0.05Mpa, the system will shut down automatically give alarm fattention.
高压泵自动欠压保护,当供水泵的海水压力低于0.05Mpa 时,设备自动停机并报警。
High pressure pump equipped with low-pressure protection device, when pre-treated sea water pressure is less than 0.05Mpa, the system will shut down automatically give alarm fattention.
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