1.
A numerical study on smoke layering plugholing under mechanical extraction in a long channel
长通道内机械排烟速率对烟气层吸穿影响的数值模拟研究
2.
(mechanics) the rate of change of velocity.
（机械学）周转变化的速率。
3.
On the Chinese Characters "档" and "挡 "Used in Mechanical Gearshift
机械变速装置“排档”或“排挡”之探索
4.
INFLUENCE OF RELATIVE LOCATION OF SMOKE EXHAUST OPENING TO FIRE SOURCE ON MECHANICAL SMOKE EXHAUST EFFICIENCY IN A LONG CHANNEL
长通道内排烟口与火源相对位置对机械排烟效果的影响
5.
Method of Network Model to Calculate Properties of Fire Smoke Flow in Corridor of Building and Studies on Optimum Mechanical Smoke Extraction Volume;
公共通道网络模型方法及最佳机械排烟量分析
6.
Study on the effect of fire suppression by coupling mechanical exhaust and water mist in subway carriage
地铁车厢机械排烟和细水雾耦合灭火效果研究
7.
Design on common system of ventilation and mechanical smoke extraction for Hubei Publishing Civilization Building
湖北出版文化城通风与机械排烟合用系统设计
8.
Studies on Cabin Fire and Smoke under Mechanical Exhaust and Sprinkler in Large Space Buildings;
机械排烟与水喷淋作用下大空间仓室火灾及烟气特性研究
9.
mechanically actuated exhaust valve mechanism
机械式排气阀传动机械
10.
Study on Electrochemical Mechanism and Polishing Rate of Chemical-Mechanical Polishing of Copper;
铜化学-机械抛光电化学机理与抛光速率的研究
11.
Diesel engines--Exhaust smoke measurement method at free acceleration
GB/T9487-1988柴油机自由加速排气烟度的测量方法
12.
open-flued fanned draught
普通烟道式机动排烟
13.
If reducers with hard gear surface are applied, it will have long life and high mechanical efficiency.
减速器采用硬齿面传动设计，寿命长，机械效率高。
14.
Design and Study of Planetary Gearbox in Bulldozer;
大功率行走机械自动变速箱的设计与研究
15.
Efficiency Analysis of an Innovational Multi-range Hydro-mechanical Continuously Variable Transmission
新型多段液压机械无级变速器效率特性分析
16.
Reduction of Smoke Emission from Diesel Engine in Acceleration Process with Electric Supercharger;
应用电动压气机减少柴油机加速烟度排放的研究
17.
Experimental Study on Effect of EGR on NO_x and Smoke Emission of a High Speed Direct Injection Diesel Engine
EGR影响高速直喷柴油机NO_x和烟度排放机理的研究
18.
"A machine that can do a great deal of work in a short time is called a high-powered machine. Power is the rate, or speed, at which work is done."
在短时间内做大量功的机器叫做高效率机械。功率表示做功的效率和速率。