1.
The windows permit light and air to enter.
这些窗户采光及通风性能良好.
2.
Investigation on the Performance of an Air Volume Distributor in Mini-type Ventilation Systems;
小型通风系统中风量分配器性能的研究
3.
Experimental Study on Mechanism and System Performance of Displacement Ventilation with Up-fixing Diffusers;
风口上置置换通风机理及系统性能实验研究
4.
Performance Test for Coalmine Ventilating Fan by Using DF-3C Multichannel Anemoscope
浅析DF-3C多路风速仪对煤矿通风机的性能测试
5.
Experimental research of an air catcher's performance
一种自动捕风通风装置性能的实验研究
6.
Test methods of aerodynamic performance for fans
GB/T1236-1985通风机空气动力性能试验方法
7.
Study on Process and Performance of Reverse Flow Mechanical Ventilation Cooling Tower
逆流机力通风冷却塔工艺性能的研究
8.
The Testing Syste m of Fan Performance Based on Virtual Instrument
基于虚拟仪器的通风机性能测试系统
9.
Performance analysis of the mine main fan based on MATALAB
基于MATLAB的矿井主通风机性能分析
10.
Determination of Main Mine Fan Performance of a Number of Issues
矿井主要通风机性能测定的几个问题
11.
Ventilating safety helmet with holes,high capability of ventilation and sunstroke prevention.
透孔通风式安全帽，适用于夏季露天作业工人佩带，通风防署性能好。
12.
Study on Effect of Ventilation Tube Spacing on Thermal Performance of Cold Storage Floor Antifreezing Ventilation System
通风管间距对冷库地坪通风防冻系统传热性能影响的研究
13.
Effect of ventilation tube diameter on heat transfer of cold storage floor antifreezing ventilation system
通风管管径对冷库地坪通风防冻系统传热性能影响的研究
14.
Effect of Ventilation Flow Speed on Thermal Performance of Cold Storage Floor Antifreezing Ventilation System
通风流速对冷库地坪通风防冻系统传热性能影响的研究
15.
Research on Flow Resistance of Inlet Air and Performance Optimization of Natural Draft Counterflow Wet Cooling Tower with Air Deflectors
具有导风板的自然通风逆流湿式冷却塔进风阻力研究及性能优化
16.
System Energy-saving Performance Inspect of Ventilation and Air Conditioning Works In Building
建筑通风与空调工程系统节能性能现场检测
17.
Design of the monitoring system for main fan in coal mines based on intelligent modules
基于智能模块的主通风机性能监控系统设计
18.
The Automatic Drawing of Performance Measuring Characteristic Curve for Mine Fans
矿用通风机性能测试特性曲线的自动绘制