1.
This pump is efficient, economical, simple and quite small. It can be built to furnish almost any amount of water against pressure heads of up to 250 feet.
这种泵效率高、经济、简单、体积小，可压送压力水头高达250英尺的水量。
2.
EXPERIMENTAL RESEARCH ON CRACKED CONCRETE PERMEABILITY UNDER WATER PRESSURE
压力水头下开裂混凝土渗透特性试验研究
3.
Elementary Discussion of the Penstock Anchorage Block Design of High-head Hydropower Station
浅谈高水头水电站压力钢管镇墩设计
4.
Open the hot water faucet to depressurize the water tank.
打开热水水龙头，降低热水器内胆的压力。
5.
Study for High-head, Long Pressure Pipeline Safety Discharge Energy Dissipation;
高水头、长压力管道安全泄流消能研究
6.
On the End Anchorage Design for Penstock in Gaoshuitou Hydropower Station
高水头水电站压力钢管末端镇墩的设计
7.
Effects of operating pressure on the discharge characteristics of porous pipes as micro-irrigation laterals
水头压力对橡塑渗灌管渗水性能的影响(英文)
8.
Turn off the power to the water heater.
关闭水源，打开附近的热水水龙头，以降低热水器内胆压力。
9.
Treatment technology for cracking caused by inverted water pressure during construction of stage Ⅰ face slab for concrete face rock-fill dam of Panshitou Reservoir
盘石头一期面板反向水压力裂缝及其处理
10.
Experimental of effect of water mist nozzle injection pressure on fire extinguishing
细水雾喷头喷射压力影响灭火性能的实验
11.
hydraulicefficiency ram
液力压头液压缸柱塞
12.
resistance head
阻力压头(用压头表示的阻力损失)
13.
Whether or not the water pressure outside the curtainaffect the foundation?
防渗帷幕外测的高水头产生的水压力是否会影响支护结构?
14.
These results are useful to the design and operaton of intakes for highhead pressure discharge conduit.
上述成果可对高水头压力泄水短管的设计、行提供有益的参考。
15.
Pressure Transformation of Head Pressure and Water Lifts Technology Research Based on PLC and Configuration Software;
基于PLC及组态软件的水头差压力转换提水技术研究
16.
Research on Double Steel Liner-Reinforced Concrete Penstocks Under Sky-High Water Level;
超高水头双钢衬钢筋混凝土引水压力管道的研究
17.
Application of Tubular Horizontal Bearing at High-head Hydraulic Test Rig
贯流卧式静压轴承在高水头水力试验Ⅱ台的应用
18.
Research on Dynamics of Driver & Hydraulic Driving System of Z6500 HDD Power Pack
Z6500水平定向钻机动力头及其液压驱动系统动力学研究