For example, meeting growing demand by finding a new source of water or by building a new dam in a place like California could cost up to 60 cents per cubic meter of water.
举例来说,在加利福尼亚州为满足日益增长的需求而寻找新水源或修建新的水坝,每立方米的水价可能要上升到60水美分。
But critics say the sheer weight of water backed up in the 410-mile-long reservoir behind the dam has increased the danger of earthquakes and landslides.
但是评论家们认为大坝背后长达410英里的水库中庞大的蓄水增加了地震和山体滑坡的威胁。
Years ago, the mountain village where they grew up had electricity for only several hours each evening, when water was let out of a nearby dam to turn a small turbine.
一年前,他们生长的这个小山村仅在晚上有几个小时的电,附近的水坝上有一个小型涡轮。
The dam crest height is determined based on static water level, wave run-up, and freeboard. The freeboard is calculated according to the following formula.
坝顶高程由水库静水位加波浪爬高及安全超高决定。坝顶在静水位以上的超高按下式计算。
The water builds up behind a dam and the water is piped into a turbine .
水积存在大坝的后面并且用管道将水输送到涡轮机。
This dam backs up the water to prevent floods.
这个坝可以拦住水,以防泛滥。
The process of accumulation and dissipation of extra-static pore water pressure in fine-grained mud layer of tailings fill dam constructed by up-stream method is analysed.
本文对上游法修筑的尾矿坝的细粒泥层内超静孔隙水压力的积累和消散过程进行了分析。
The program is utilized to calculate soil rocks dam free surface position variation and pore-water pressure distribution condition with time when the up water level position changed.
利用所编写的非稳定渗流计算程序,计算土石坝上游水位变化时自由面位置随时间的变化规律、孔隙水压力的分布情况。
The river was dammed up, and behind the dam a great deal of water presure was built up.
这条河筑起了水坝,水坝后面形成了很大的水压。
Drifting chunks of ice can get caught near them, clogging up the flow of water forming a dam.
漂流的大块冰可以在它们附近阻塞水流形成一个大坝。
A construction of the water dam chamber for isolation between horizontal and up and down seam in a mining district is one of the comment water prevention and control methods.
建造防水闸门硐室,进行水平、区上下组煤隔离,是预防水患普遍采用的方法。
Wang Jingquan, a drought and flood prevention official at the Changjiang water Resources Commission, said the Three Gorges Dam was designed to withstand up to 110,000 cubic meters of water a second.
长江水利委员会防汛抗旱办公室调度处处长王井泉说,三峡大坝的设计能力为每秒11万立方米的洪峰流量。
The electricity minister said the cuts, lasting up to four hours every other day, would prevent water levels at Venezuela's main hydro-electric dam from falling too low.
电力部长称,断电长达每天四小时,可以避免委内瑞拉主要的水力发电站的水位下降的过低。
Man can make artificial lakes (3) by building dams across rivers. The river water backs up behind the dam, and a lake is formed.
人类筑坝拦河,可以修建人工湖。河水被拦在大坝后面,形成湖泊。
Man can make artificial lakes (3) by building dams across rivers. The river water backs up behind the dam, and a lake is formed.
人类筑坝拦河,可以修建人工湖。河水被拦在大坝后面,形成湖泊。
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