磨坊过去依赖风力或水力操作。
从前磨坊常常得依靠风力或水力来作动力。
包含形成物理屏障或水力屏障的分级盐粒的暂堵剂。
A temporary plugging agent comprising graded granules of salt that form a physical or hydraulic barrier.
我们可以建立良好的风力或水力发电厂，这样的机器。
One could build a fine wind or hydro plant with such a machine.
安装一个电导体或水力导管将进一步地提高挠性管柱的性能，并使相对复杂的采油井下工艺措施技术能安全地被使用。
Installing an electrical conductor or hydraulic conduit further enhances the capability of a coiled tubing string and enables relatively complex intervention techniques to be applied safely.
高压水射流径向水平孔钻进技术是水平孔施工技术之一，它是在垂直瓦斯抽放或煤层气勘探钻孔布置机械或水力扩孔装置，对准选定的煤层部位进行扩孔。
As one of radial horizontal drilling techniques, high pressure water jet drilling technology is capable of using mechanical or water jet apparatus to make a cavity at the selected coal seam.
电能可以靠核裂变、水力发电、生物量、风和太阳能产生；轿车和卡车可以通过电或生物燃料运作。
Electricity can be generated by nuclear fission, hydropower, biomass, wind and solar energy; and cars and lorries can run on electricity or biofuels.
能源密集是世界上许多炼厂位于电力资源丰富地区的原因（水力发电、天然气、煤炭或核电）。
That energy intensity is why the world's smelters tend to be located in areas that have access to abundant power resources (hydroelectric, natural gas, coal or nuclear).
欧盟委员会预计将在11月推出其长期能源战略，此举或会影响到水力压裂采气。
The European Commission is due to roll out its long-term energy strategy in November, which could affect fracking.
可能会提供其他的钻井服务，如维修或拆除现有水井结构，电梯井钻井和水力极钻井。
May provide other drilling services, such as repair or dismantling of existing water well structure, elevator shaft drilling and hydro pole drilling.
你关注水力压裂技术、空气质量、极端气候、哮喘、阿尔茨海默症、疟疾或其他传染病吗？
Are you concerned about fracking, air quality, extreme weather, asthma, Alzheimer's disease, malaria or other epidemics?
水泥只在套管或井眼环形空间的某一面的通道内流动的现象，因而不能在所有的径向上提供充分的水力隔离层。
The condition in which cement flows in a channel only on some sides of the casing or borehole annulus, and thus does not provide adequate hydraulic isolation in all radial azimuths.
在水力压裂期间输送支撑剂的流体，通常为油、水、泡沫或稠化液。在砾石充填期间输送砾石的流体也称为携带液。
The fluid, usually oil, water, foam, or gelled fluid that transports the proppants during hydraulic fracturing. The fluid that transports gravel during gravel packing is also called carrying fluid.
进行管网水力计算时，忽略结点处的局部能量损失或采用不变的局部能量损失系数均是不合适的。
During the hydraulic calculation on pipeline network, it is unacceptable to neglect local energy loss or to adopt constant local energy loss coefficients.
火电厂水力输灰管道普遍存在发管结垢问题，通常采用化学方法或物理方法的防垢措施。
Scaling of ash sluicing pipes is a problem widely existing in hydraulic ash sluicing pipes of fossil-fired power plant, chemical method or physical method is usually used as antiscaling measure.
采用这种办法解决水力失调的前提是：水系统阻力计算准确、热力或空调末端流量不能发生变化。
Use this solution to the premise of the hydraulic imbalance is: accurate calculation of water system resistance, heat or air-conditioned terminal flow should not change.
现有的两类一元理论离心泵叶轮水力设计方法存在试凑性工作量大或盖板形状不为简单曲线的缺陷。
The existing two kinds of 1-dimensional centrifugal pump impeller hydraulic design methods have short comes of either large calculation or complicated boundary lines.
对于旋流除砂的方法目前应用的主要是静态水力旋流器，也是目前国内外各大油田主要使用的一种固-液或液-液分离方法。
At present, the main way of hydrocyclone desanding is static hydrocyclone, which is a main separation method of solid-fluid or fluid-fluid in oilfields at home and abroad.
并且一旦系统压力或负荷发生变化仍需要重新调整水力系统。
And once the system pressure or load changes still need to re-adjust the hydraulic system.
该泵除人力驱动外，还可应用风力、水力、机电或畜力作动力。
The water pump not only can be driven manually, but also can be powered by applying wind power, water power and electromechanical devices or animal power.
本文对回热器的长度、水力半径或板叠间隙、回热器在驻波声场中的位置等回热器特性参数对其性能的影响进行了模拟分析，并在此基础上对回热器或板叠特性参数进行了优化。
In this paper we describe simulation analysis and optimization on the characteristic parameters of regenerator, such as the length, the spacing of plates, the position in sound field of regenerator.
引进了两个因子来修正裂隙(或断层)处的导水系数，它们能够表现离散裂隙(或断层)的水力影响。
Two factors are introduced to modify transmissivity coefficient of a fracture or a fault, which represents the hydraulic effect of discrete fractures or faults.
它是一种非均质不连续体的脆性材料，其破坏过程是在水力或机械作用下，岩石内部裂纹的产生、扩展、合并和贯通的过程。
It is a brittle material and heterogeneous discontinuous body. The process of its failure is one of initiation of inner cracks of the rock followed by their propagation, connection and link up.
上述纳米级材料被添加到水力压裂支撑剂充填层或砾石充填层，以在上述充填层中起稳定地层微粒的作用。
The nano-sized material is added to hydraulic-fracture proppant packs or gravel packs on the fly to stabilize formation fines.
该技术使用电缆安放桥塞或泵送桥塞来暂时隔离井段进行水力压裂。
This solution relies on the sequential pump-down conveyance and placement of plugs using Wireline to temporarily isolate sections of the well to be hydraulically fractured.
该技术使用电缆安放桥塞或泵送桥塞来暂时隔离井段进行水力压裂。
This solution relies on the sequential pump-down conveyance and placement of plugs using Wireline to temporarily isolate sections of the well to be hydraulically fractured.
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