大水位差取水泵房结构设计的关键是结构抗浮。
The key to structural design of pump house for large water level differences is structural anti-buoyancy.
过量抽取地下水时，产生利于海水的流体静力学水位差。
Over pumping of ground - waters produces a difference in hydrostatic head in favor of the seawater.
水位差所具有的能量是一种机械能，这种能我们可以用来发电。
The energy possessed by falling water is a king of mechanical energy , and this energy we can use to produce electricity .
止回阀(3)起当手压或机械泵停止工作时能阻止水位差的自然吸药。
A check valve (3) can prevent the natural chemical absorption water head of the water head when the manual pump or the mechanical pump stops to work.
格栅的运行可按设定的时间间隔运行，也可根据格栅前后水位差自动控制。
The grate will be, at intervals, performed according to the settled time or to the automatic control of pressure head between fore and after-grate.
结合实例阐述在粘土坝两侧有水位差的情况下，用爆破法拆除的设计与施工方法。
The paper introduces design and construction methods using blasting to remove clay dam in the case of water level difference for both sides of the dam.
就如同水依其水位差而流动，电流的造成就是由电位高的地方流向电位低的地方。
Just as the water level in accordance with its poor flow of current is caused by the potential flow in areas with high and low potential areas.
剪应力临界点的位置受反倾结构面的产状、坝体参数、上下游水位差等多种因素的影响。
The location of the critical point is influenced by multiple factors, including occurrence of inversely dipping discontinuity, configuration of dam body, water level, etc.
谱分析显示，两岸的水位低频变化均以年周期为主，但两岸间的水位差却以半年周期为主。
Spectrum analysis showed that the main period of low frequency sea level variations at both coasts was annual, while that of sea level differences between the two coasts was semiannual.
地下河系统之间水位差异变化大，一般没有统一区域地下水位，难以区分补给资源、储存资源。
The water table discrepancies between sub-streams vary quickly, and there is no uniform groundwater head for an area.
为了顺利取出碎片，一种方法就是向一个广口瓶中注入热水直至水位差不多要达到瓶口边缘，然后把手上受伤的部位紧紧压在瓶口处。
A good way to accomplish this is to fill a wide-mouthed bottle with hot water nearly to the brim, and press affected part of hand tightly against mouth of the bottle.
为了顺利取出碎片，一种方法就是向一个广口瓶中注入热水直至水位差不多要达到瓶口边缘，然后把手上受伤的部位紧紧压在瓶口处。
A good way to accomplish this is to fill a wide-mouthed bottle with hot water nearly to the brim, and press affected part of hand tightly against mouth of the bottle.
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