查询词典 ventilating fan

Must be used in the room which is better for ventilating.

必须在通风条件好的房间里使用。

Methods Retrospective analysis on the treatment through mechanical ventilating of 98 cases of patients.

方法对98例机械通气治疗的患儿进行回顾性分析。

It is possible to design good heating ventilating and air conditioning systems at a reasonable cost.

人们可以用合理的造价设计一个良好的采暖通风和空气调节系统。

Ventilating system is an important part of production system, providing guarantee for mine to produce safely of mine.

矿井通风系统是矿井生产的重要组成部分，是矿井安全生产的保障体系。

This one which is similar with nylon bag is a ventilating unit.

这个类似尼龙袋的东西是一个排气装置。

The basic principle, characteristic and application of the project of inducting ventilating system is presented with a project example.

结合工程实例，介绍了诱导通风系统的基本原理、特点及在该工程中的应用。

Automatic control system for ventilating which has been used in the study of water tunnel supercavitating experiments has been designed in this paper.

在深入分析流量调节阀非线性工作特性的基础上，建立了充气控制系统各个环节的数学模型。

Enough fresh air or good Ventilating is the key for dry environment and keeping body temperature.

A：足够的新鲜空气或良好的流动性是保持干爽和体温的重要参数。

CI aluminum filters have proven to be economical and effective in kitchen ventilating equipment and systems.

身份证明书铝过滤器已被证明是经济和有效的厨房通风设备和系统。

It is a good idea to introduce computerized human thermal model into heating, ventilating and air conditioning field.

因此如何在保证热舒适的同时实现建筑节能成为一个热点研究方向。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。