altitude valve,water level cotrol valves是什么意思

网络释义

用法例句

Effects of nutrients and water level fluctuation on wetland plants.;

营养物及水位变化对湿地植物的影响

On the accidents caused at some different water levels in the steam boiler;

浅谈蒸气锅炉的水位事故

TC-401 water level automatic monitor sensor development and its application on farmland water conservancy;

TC-401水位监测传感器的开发及在农田水利中的应用

This paper introduces the present situation of sewage flowmeter,analyzes on MFC inductive digital water-level sensor,and advances a kind of new sewage metering method.

介绍了污水流量计的现状,分析了MFC感应式数字水位传感器,提出了一种新的污水计量方法。

Drum water-level is one of the critical issues for normal operating condition of drum boiler.

汽包水位是确定锅炉是否安全稳定运行的重要参数之一,建立汽包水位的动态模型并进行仿真,对研究锅炉的动态特性和确定控制策略具有重要意义。

An automatic control system of flow capacity and water-level for model test was independently developed because of its expensive price.

鉴于购置价格昂贵,自主研发了模型流量及水位控制系统。

Effects of controlled drainage of main ditch on groundwater table;

大沟控制排水对地下水水位影响研究

The water distributions in the simulated slide are simulated with water table at the half height of the soared interface and the height of the first platform.

建立了室内模拟库水浸泡后滑坡体内水润湿的渗流实验装置,根据清江茅坪滑坡的地形、地貌以及岩土混合比例,填制了岩土体实验模型,模拟了水位在涨至模拟坡体凌空面一半高度和水位漫过凌空面达到第一平台高度时,坡体内的水分布情况。

According to the data obtained from the simulated experiment and the other related data collected,the relationship between bedrock water table and flow distance in a single fracture under different conditions have been studied.

基于室内模拟试验及有关资料 ,研究了不同条件下基岩裂隙水一维流水位与流程的统计关系 ,并将结果与前人研究进行了比较分析 ,得出以下结论 :a 基岩裂隙水无压流水位三次方与流程呈线性关系 ,承压流水头与流程呈线性关系 ;b 承压流条件下统计结果与前人研究结果无实质性差别 ,而对无压流 ,统计结果与孙峰根等人的研究结果一致 ,与传统的结果 ,即水位平方和流程呈线性关系不一致 ;c 统计结果对基岩裂隙水运动理论的研究与应用具有重要的参考价

The flood stage of the Yangtze River at Nanjing tends to rise in the past decades.

长江南京段洪水位存在明显上升的趋势，为确保新水情下防洪堤的安全，首先分析了引起该河段水位上升的原因，然后按３种方案研究了今后长江南京段出现不同水位的风险度。

Analysis on the decline of groundwater level in Xinze No.5 well;

新泽5井水位趋势下降分析

In the paper,the barometric efficiency and correlation coefficients of groundwater level from 2002 to 2004 in Zhouzhi well have been calculated,and their relation to earthquake is also analyzed.

计算了2002～2004年周至井水位的气压效率和相关系数,初步分析了其与地震的关系,认为在2002年甘肃玉门5。

4 well and the characteristics of groundwater level data observed in the well are introduced.

介绍了怀4井的地质构造情况和怀4井数字化水位观测资料的特征。