1.
The Design and Performance Test of a High Frequency Gas Reversing Valve

一种高频气流换向阀的设计与性能测试
2.
Multi freezing air orientation, freezing equably.

多重变换冻结气流方向,冻结均匀。
3.
Modeling of Reverse Flow Catalytic Combustion Process for Air Purification;

流向变换催化燃烧空气净化过程的模型化研究
4.
Churn flow and annular flow are common flow patterns encountered in gas-liquid systems through conduits.
对垂直同心环形管内上升气液团状流向环状流的转换进行了研究。
5.
Unsteady-state Process Numerical Simulation of HTAC Process

高温空气燃烧器换向过程非稳态流场和温度场的仿真分析
6.
Effects of optimal oxygenation-directed PEEP on hemodynamics and gas exchange in Sheep with Acute Respiratory Distress Syndrome
最佳氧合法导向的PEEP对ARDS绵羊血流动力学和气体交换的影响
7.
full-plastics open type bidirectional exhaust fa

全塑开敞式双向换气扇
8.
critical rate of fall of commutating current

换向电流临界下降率
9.
commutator stone

换向器磨石, 整流子磨石
10.
AC commutator type exciter

交流换向器式励磁机
11.
three - phase commutator motor

三相交流换向器电动机
12.
commutator frequency changer

换向器变频机整流子频率变换器
13.
recuperative air preheater

同流换热式空气预热器;蓄换热式空气预热器
14.
An inward flow or current, as of air.

向内的流体一股向内的气流或水流,如空气
15.
Flow Conversion of the Gas Rotameter under Nonstandard Calibration

非标刻度气体转子流量计的流量换算
16.
To reverse the direction of(an alternating electric current)each half - cycle to produce a unidirectional current.
变换电流方向颠倒每一半周(交流电流的)方向,以产生单方向性电流
17.
An upward current of air.

上升气流一股向上的气流
18.
Automatic operation, without the continuous presence of an attendant (operator), was first tried on the synchronous converter substations supplying an interurban electric railway in 1914.
在无人连续值班下的自动操作,首次于1914年在一个向电气化铁路供电的同步换流站中尝试。