head pressure是什么意思

网络释义

用法例句

Study on pressure head distribution along the gravity flexible hoses;

自压软管沿程压力水头分布研究

The effects of slope,pressure head,porous distance and pipe length on the longitudinal pressure distribution were studied.

通过室内试验并结合水力学理论分析多孔管沿程压力分布规律,研究了坡度、压力水头、孔距、管长4个参数对沿程压力分布的影响。

Hydraulic head pressure forecasting of water gushing for deep-lying Karst tunnel is of importance in engineering practice and the former evaluating methods is too rough.

深埋隧道涌水最大水头压力的预测具有重要的实际意义。

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。

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

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

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。

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

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

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)

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。

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

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

hydraulicefficiency ram

液力压头液压缸柱塞

resistance head

阻力压头(用压头表示的阻力损失)

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?

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。

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

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

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

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