The factors obtained are beneficial to the use of foams in Earth Pressure Balanced Shield Tunneling.
得出了气泡改良开挖土体的主要影响因素，对盾构用气泡在实际中的应用具有指导意义。
The United States VTON Granville shield imported pneumatic multi-stage step-down regulator valve, using the sleeve guide, pressure balanced valve.
美国VTON威盾进口气动多级式降压调节阀，采用套筒导向，压力平衡式阀芯。
As the Earth Pressure Balanced Shield (EPBS) Tunneling is becoming comprehensive way to build the subway, foams as a good soil conditioning agent are widely used in EPBS.
随着土压平衡式盾构在我国地铁建设中的推广应用，气泡作为一种优良的土体改良剂，已经得到广泛的采用。
The principle of the foam pump pressure balanced proportioning unit is discussed in this thesis. The design method of it also be talked, and it's main parts are analyzed and researched.
阐述了泵入平衡压力式泡沫比例混合装置的工作原理，提出了该装置的设计方法，并对关键部件作了简要分析研究。
Shield tunneling method has become a primary method in underground excavation with its predominance, earth pressure balanced shield tunneling (EPBS) is the most universal type in our country.
盾构隧道法开挖凭借自身的优势成为城市地下施工的主要手段，其中土压平衡式盾构目前在国内使用较为普遍。
Yet because of Lebanon's finely balanced power structure, such pressure may have more chance of success than in Gaza, where power is more fragmentary.
然而，由于黎巴嫩的权力结构存在微妙的平衡，施加这种压力成功的机会可能大于ei力更加分散的加沙。
Based on the netting theory for the filament-wound structure, the balanced equation of the filament-wound conical case under internal pressure was derived.
以纤维缠绕结构的网格理论为基础，建立了纤维缠绕圆锥壳体在内压作用下的平衡方程。
Nowitzki is the Mavs' foundation in the fourth quarter when every possession is crucial, but the offense remains balanced because of pressure-treated gunners like Terry.
当每个回合都很关键时，Nowitzki是小牛在第四节的基础，但因为有Terry这样经高压处理过的炮手，进攻保持着平衡。
Essentially balanced single seat minimizes a variation in delivery pressure resulting from a varying inlet pressure.
基本平衡单阀座最大限度减小进口压力变化对输出压力的影响。
Now do the same thing again but after you are aware of being well balanced, start playing with the amount of buoy pressure.
在你学会掌握平衡后，再来做同样的事，尝试不同的浮漂压力。
According to flow in a different, balanced spool valve the pressure can be pre-pressure, can also be a back pressure valve.
根据流向不同，平衡阀芯所受的压力可以是阀前压力，也可以是阀后压力。
Secondly, analyzing statics characteristic of the multi-gear pump demonstrates that radial hydraulic pressure, meshing force and resultant force are balanced on the center wheel.
其次，对多齿轮泵的静力学特性作了分析，证明了中心轮径向液压力、啮合力及总作用力平衡。
The balanced pressure duplex phosphor bronze diaphragm is a highly sensitive modulating unit thermally programmed to provide accurate steam conserving operation.
平衡压力双磷青铜隔膜是一种热程序高敏感性调节装置，具有精确的蒸汽保存功能。
Under the condition that the sealing door is closed, the internal and external pressure is not balanced, which will threaten the safety of the building envelope.
在密封门关闭的情况下，容易产生内外压力不平衡，将会威胁到库体围护结构的安全性。
The empirical findings indicate a possible inflationary pressure on the new member states, which is balanced by a contractionary effect on the old member states.
经验分析的结果表明，新成员国很可能面临通货膨胀的压力，而这将由老成员国所面临的经济紧缩效应来平衡。
The technologies could ensure the well bottom pressure keeping balanced during waiting on cement and cementing safety.
该技术能保证固井候凝过程中井底压力平衡，施工安全。
The strong points of the compound gear pump are balanced hydraulic pressure of radius, uniform of flow rate, small volume, large displacement and low noise and so on.
它具有径向液压力平衡、流量均匀性好、噪声低、排量大、体积小等优点。
Part of the pipe network is unreasonable, the pipeline operating pressure is not balanced, gas can not meet the living requirements.
部分管网布局不合理，管线运行压力不均衡，无法满足居民生活用气要求。
Is to take certain method control strata pore pressure, basically keep the pressure in the well balanced, ensure the smooth progress of the rig.
就是要采取一定的方法控制住地层孔隙压力，基本上保持井内压力平衡，保证修井的顺利进行。
The balance extension tube functions to retain balanced pressure in front and at the back of the cleaner prior to the opening of the valve to prevent it from impacting the valve core.
发球筒平衡接管的作用是在通球初始时，出球接口端的阀门未开启前使清管器在发球筒中处于前后压力平衡，不能撞向阀芯。
The MSH range is designed for high pressure applications and the axial thrust is balanced by the combination of the drum and disc.
MSH系列产品作为针对高压应用的设计，轴向推力通过平衡室系统和圆盘一起进行平衡。
The axial force generated by the centrifugal sealing and the axial force generated by the positive pressure at the outlet are completely automatically balanced.
将离心密封产生的轴向力和入口正压力产生的轴向力完全自动平衡。
Even if the pressure gradient is partly balanced by the fluid acceleration, its order of magnitude is usually no larger than the hydrostatic gradient.
即使压强梯度部分地被流体加速度平衡，其数量级通常也不大于静压梯度。
The under-balanced drilling technology is based on how to control the bottom negative pressure which is related to the pressure computation of multiphase flow in annulus .
井底负压值控制是欠平衡钻井技术的基础，而井底负压值的大小与环空多相流的有关压力计算有关。
Balanced pressure system containing gas sterilization of the packaging is vital, especially in the heating or cooling stage, the need for accurate pressure control.
压力平衡系统对内含气包装的杀菌至关重要，尤其是在升温或降温阶段，需要精确的压力控制。
The mathematical models of differential pressure transmitter of force-balanced type are presented. The general method of dynamic analysis of the instrument is discussed.
本文建立了力平衡式差压（压力）变送器的数学模型，论述了此仪表动态特性分析的一般方法。
Calculation results show that they accurately reveal the distribution pattern of pressure in wellbore during under-balanced drilling operation.
计算结果表明，该套公式较为精确地模拟了欠平衡钻井过程中井眼压力分布的规律。
Professional use in milling the water slot and the balanced holes of air pressure of win-door in PVC profile.
PVC门窗的排水槽及气压平衡孔，采用模块化结构，整机有六个铣头组成。
Professional use in milling the water slot and the balanced holes of air pressure of win-door in PVC profile.
PVC门窗的排水槽及气压平衡孔，采用模块化结构，整机有六个铣头组成。
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