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1·Over pumping of ground - waters produces a difference in hydrostatic head in favor of the seawater.

过量抽取地下水时，产生利于海水的流体静力学水位差。

2·After the hydrostatic head has been sufficiently lowered, the methane gas will flow to the surface.

后头部已经够降低水压，沼气就会流向水面。

3·The numerical result shows increasing the tip clearance will reduce hydrostatic head, especially at small flow rate.

数值结果表明，间隙增加，扬程下降，特别是越在小流量工况下越明显。

4·Terrestrial stress is a main control on hydrostatic head of reservoir, and its gradient powers oil, gas and water migration.

地应力是影响储层沉积水水头的主要因素，地应力梯度是油气水运移的主要驱动力。

5·Diffusion of anolyte containing ferric ion into the cathode compartment is avoided by maintaining a small hydrostatic head of the mixed solution in the diaphragm-bag.

通过维持隔膜袋里混合溶液小的静压头，避免含有三价铁离子的阳极液扩散进入阴极室。

6·Seal leakage test on the inlet valve under a hydrostatic pressure equal to maximum static head. The leakage shall not exceed the amount guaranteed by the Contractor.

对入口阀在最大静水压力下的密封泄漏试验。泄漏量不得超过承包商所保证的量。

7·A new type of structure-high speed internal grinding spindler head with hydrostatic and hydrodynamic bearing and its working theory of the structure and primary calculations have been expounded.

本文主要论述一种新型结构形式——动静压轴承高速内圆磨头的工作原理及主要设计计算。

8·The guideways of machine tools are worked by using hydrostatic grinding head attached to a planer. The accuracy and surface roughness reach the requirements of precision guideways.

它使用了静压磨头装在龙门刨床上对机床导轨进行加工，精度及表面粗糙度达到精密导轨的要求。

9·The sand column, saturated at its lower portion and initially in the condition of hydrostatic equilibrium, is drained at its bottom at constant head.

砂柱下部饱和并处于静水平衡状态，在底部为定水头的条件下进行排水。

10·According to it's principle and feature, the liquid hydrostatic bearing grinding-head of CNC grinder is researched and designed.

叙述了液体静压轴承的原理、特点。对砂轮架薄膜节流液体静压轴承进行了模糊优化设计，进行了砂轮架结构的初步设计。