片语

variable-flow pump变流量泵

variable area flow converter转子流量转换器

variable limit flow method可变极限流量法

variable varied flow不稳定变速流

variable circulation flow pattern变环量流型

variable area flow meter变截面流量计

variable aperture flow meter变孔口流量计

variable mass flow pattern变质量流型

variable water flow rate变流量

英汉例句

• this paper describes a method that divides the energy saving device of variable flow control into 4 main intelligent control devices, with each device performing its function.

  将中央空调系统变流量控制节能设备分成4个主要的智能控制设备，完成各自的功能。

• the regulation mode will be liberated from traditional mode when the system is not keep constant flow rate or operated with variable flow rate on different phase.

  当系统不再保持定流量或分阶段变流量运行时，系统的调节模式也将从传统方式中解放出来。

• a variable flow air supply outlet with double-stability electromagnetic control was designed and developed, whose operating principle, structure and performance are also described in this paper.

  设计并研制了一种双稳态电控变流型送风口，并介绍了该装置的结构、工作原理和性能特点。

• the dpc is a proportional control device and can realize dynamic balance of variable flow heat-supply system.

  探讨了采用板式换热器作为热力站换热设备的变流量供热系统的调节方式。

• this paper expatiates compressor of variable level and pump variable flow energy principle, the control scheme of energy-saving closed-loop, and the design of control system in wshp.

  本文重点阐述水源热泵系统中压缩机的变能级和水泵的变流量节能原理、节能控制方案和控制系统的设计。

• it also calculates the recycling period of the auxiliary equipment for the variable flow operation.

  同时分析了变流量运行时附加设备的回收期。

• through the analysing question in water system of air-conditioning at present, the paper probes application characteristic and energy efficiency in variable flow water system of air -conditioning.

  通过分析空调水系统目前存在的问题，探讨了空调水系统中变流量技术应用特点和节能效果；

• the three dimensional flow field with inner energy excitation and the variable flow conditions were studied with direct simulation of monte carlo method(dsmc).

  本文研究了带内能激发松弛和不同来流条件下的复杂外形高超声速飞行器过渡区三维流场特性。

• closed water systems, vertical with the process, the level of different programs, dual control, single-stage pumps, variable flow system.

  水系统选择闭式、竖直同程、水平异程式、双管制、单级泵，变流量系统。

• in the water system, vvvf general in the following two kinds of water: frequency constant pressure variable flow of water and variable frequency variable flow of water supply.

  在供水系统中，变频调速一般采用以下2种供水方式：变频恒压变流量供水和变频变压变流量供水。

• the system not only meets heating variable flow system for operating regulation, but also improves the heating system efficiency of heating system operation greatly.

  系统在满足供热变流量系统运行调节的同时，极大的提高了供热系统运行的热效率；

• a mathematical model for well testing analysis, which takes wellbore storage and skin effects in consideration, is proposed for variable flow rate with infinite outer boundary.

  建立了外边界无穷大且考虑井筒储存和表皮效应下的变流率问题的试井分析数学模型；

• it can carry out variable flow run to save electrical - energy through allocating frequency control.

  在冷水循环系统上配置变频调速器，实现系统的变流量运行，可节约电能；

• a general scheme of a high pressure, variable flow and variable pressure aircraft intelligent hydraulic pump system is proposed in this paper.

  提出了一种高压变流量变压力机载智能泵源系统的总体方案。

• this article describes and analyzes the load characteristics of centrifugal pumps and variable flow regulator method, compared the size of its energy consumption.

  本文介绍并分析了离心式水泵的负载特性和变流量调节方法，对比了其能耗大小。

• typical variable flow chilled water systems involve primary and secondary chilled water circuits.

  目前变水量冷冻水系统的设计一般都采用一、二次双环路方式。

• analyses the characteristics of centrifugal pumps in parallel with frequency control and pipeline of variable flow water systems.

  分析了变频调速离心水泵的并联特性和变流量水系统的管路特性。

• a variable flow air supply outlet with double-stability electromagnetic control has been designed and developed, whose operating principle, structure and performance are also described in this paper.

  设计并研制了一种双稳态电控变流型送风口，并介绍了该装置的结构、工作原理和性能特点。

• the variable flow heating system is quite different from the constant flow heating system. so the relative control strategy for the heating network should be changed.

  用户成为用热的主体，热网由以往的定流量运行变为变流量运行，热网特性与定流量热网特性完全不同，相应的热网控制策略也要发生变化。

• based on an analysis on the variable flow operation regulation of heating systems, puts forward variable temperature difference control and control scheme.

  在分析供热系统变流量运行调节的基础上，提出了变温差控制并给出了控制方案。

• analyzing the performance curves of pumps and network in a variable flow pumping system, concluding the influence factors of energy saving and the optimal ranges of variable frequency drive (vfd).

  通过分析变频水泵及管网系统在变工况下的特性曲线，得出影响水泵变频节能效果的主要因素和变频调速的适用范围。

• analyses the effects of variable flow operation of primary pump water systems based on the temperature difference control method on the operation of air conditioning systems.

  分析了一级泵水系统采用温差控制法实现变流量运行对空调系统运行的影响。

• the regulation mode of variable flow heat-supply system where the plate heat exchanger is used as heat exchange device in substation is discussed.

  探讨了采用板式换热器作为热力站换热设备的变流量供热系统的调节方式。

• holds that to design a system with only single variable flow circuit can avoid these problems.

  设计单环路空调冷冻水系统可以避免上述问题。

• if suitable pump and throttle equipment are applied, we can realize the variable flow cooling for main marine diesel engine.

  并且在三通调节阀调节的过程中，主管路流量是变化的，只要采用合适的泵和节流装置，可以实现主柴油机的变流量冷却。

• the mathematical model with closed boundary for well test analysis is developed considering variable flow rate under borehole storage and skin effects.

  建立了外边界封闭且考虑井筒储存和表皮效应下的变流率问题的试井分析数学模型；

• when the regulation is performed by variable flow rate, there exist two operation regulation modes with fixed zero pressure difference and variable zero pressure difference.

  采用变流量调节时，存在定零压差点和变零压差点两种运行调节方式。