燃气的英文：
combustion gas

参考例句：

city gas utilization
城市燃气应用

Gas system: gas pipe line from the joint at 1m from the workshop outside wall to industrial furnaces.
燃气系统:从车间外墙外1米处的接点至工业炉的燃气管道。

"design for energy fluids: fuel gas, inert gas, cooling water, compressed air and waste water"
能源介质设计(到接点):燃气、保护气、冷却水、压缩空气和废水

an internal rudder
(火箭的)燃气舵

city gas purification
城市燃气净化

gas and steam combined cycle installation
燃气－蒸汽联合循环装置

The gas fire was still alight.
燃气引起的大火还在熊熊燃烧。

The turbine is spun by the high-pressure gases.
涡轮由高压燃气驱动旋转。

Gas generator rocket can pressurize a high-pressure feed system
燃气发生器能使高压输送系统增压。

The turbine is spun by the high-pressure gases
涡轮由高压燃气驱动旋转。

combustion是什么意思：
n. 燃烧；氧化；极度的激动

The engine regularly combusted.
这台引擎耗油状况完全正常。

Oxidants are substances that support combustion and enhance the combustibility of other materials.
氧化剂是支持燃烧和提高其它材料的可燃性的物质。

What does it feel like to combust ?
燃烧的感觉象什么？

For proper combustion it is necessary to atomize the propellants
为了有效地进行燃烧，推进剂必须雾化。

We might be tempted to think of combustion.
我们也许会联想到氧化。

gas是什么意思：
n. 气体；煤气；毒气；汽油
v. 放出气体；加汽油；用毒气杀伤（人）

development of gas
放出气体；放出毒气

This gas mask can immunize you against poison gas.
防毒面具能使你免遭毒气袭击。

long-distance gas
远程供应的煤气[天然气]

gas evolution analysis
气体放出分析

gas | boast | bragging
吹牛[吹大炮