但其排气速度却异常惊人，大约为化学燃料火箭的十倍—这使得离子推进器的效率非常高。
The exhaust velocity, though, is enormous—more than ten times that of a chemical rocket—and this makes ion propulsion extremely efficient.
黑烟说明有燃料在排气管中燃烧。
Black smoke is caused by raw fuel being burnt in the exhaust.
燃料系还把废气通过排气管排出。
The fuel system also exhausts the effluent gas through the exhaust pipe.
本文介绍固体燃料底部排气燃烧空气动力理论及实验研究的若干结果。
This paper introduces some results of theoretical and experimental aerodynamic investigation of base bleed by solid fuel combustion.
监控和控制燃烧过程中的火焰温度，减少燃料用量达到相同的能源生产数，同时有助于减少温室气体排气放，符合管制水平。
Monitor and control the flame temperature during the combustion process, reducing fuel use to achieve the same energy production Numbers, while helping to reduce GHG emissions to regulatory levels.
高温条件下，当丙烯压缩机燃料耗尽后，即跳车，并通过排气口放空至火炬。
The propylene compressor flares at the discharge and trips after it has run out of inventory on high temperature.
需要使用91号辛烷值的燃料，180度恒温器和通畅的排气。
Requires use of 91 octane fuel, 180 degree thermostat and free flow exhaust.
减小摩托车排气污染的理想清洁燃料首选LPG。
To decrease the tail gas pollution of motorcycle, the ideal clean fuel is LPG.
与此同时，内燃机的排气污染是环境保护中的一大难题，而它与燃料品质有着密切关系。
At the same time, exhaust pollution of internal combustion engine is a big issue on the environment protection, which is directly related with quality of the fuel.
从技术上讲，化学燃料火箭的最大速度增长比较低。这就是说，它们的排气速度还不足以将火箭的速度增加到非常快的程度。
In technical terms, chemical rockets have low maximum velocity growth, which means that their exhaust velocities are not high enough to impart very high speeds to the rocket.
是的，他们很接近排气量和燃料消耗的限制。
Yes they are close to the limit of displacement and fuel consumption.
时常由于作为临时原料气的燃料气入口压力低造成燃料气压缩机由于排气高温而停机。
The temporary raw material gas is used to do the fuel gas, so the fuel gas compressor often appears that its suction pressure is low to result in the fuel gas compressor is shut down.
行星没有排气管，但他们能燃烧燃料和生产出热量，有些像星星一样生产热量在外部。
Planets do not have exhaust pipes, but they burn fuel and create heat, some internally and some externally like stars.
在该模型中考虑了底排出口面积比，排气固相颗粒质量比，燃料热值，燃气分子量，燃烧室总温，飞行马赫数等因素。
In the model the exit area ratio, solid particle mass ratio, fuel enthalpy of combustion, jet gas molecular weight, chamber stagnation temperature, flight Math number etc. have been considered.
简要介绍一种可供选择使用的低温燃料贮箱零重力排气系统。
A zero-gravity thermodynamic vent system which is desirable to be used in a cryogenic propellant tank is briefly presented.
简要介绍一种可供选择使用的低温燃料贮箱零重力排气系统。
A zero-gravity thermodynamic vent system which is desirable to be used in a cryogenic propellant tank is briefly presented.
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