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relative gas expansion 相对气体膨胀
The polytropic index can be calculated according to the experiment data of coal temperature, the free gas expansion wor. 多变指数可以通过实验测定的煤体温度来计算,吸附瓦斯和游离瓦斯的膨胀功可以利用多变指数计算。
It links the piston and crank, piston top face in the role of the gas expansion of the crank to enable the movement to the piston into the rotation of the crank movement. 连杆是柴油机中非常重要的一个部件，它连接了活塞与曲轴，把作用在活塞顶面的气体膨胀的力传给了曲轴，使活塞的往复运动变为了曲轴的旋转运动。
A liquid drop removed from a sheet or jet may be exposed to the aerodynamic pressure effect of a high relative gas velocity. 离开液膜或射流的液滴，可能会受到高的相对速度气体的气动压力影响。
Using the theory of adiabatic flow of fluid in the pipe and the gas expansion factor, a more rigorous way for calculation of relieving capacity of tube & shell heat exchanger is derived. The calculation results have high accuracy. 运用流体在管道内作绝热流动的理论 ,结合气体膨胀因数 ,推导出一种更为严密的计算管壳式换热器安全阀泄放量的方法 ,其计算结果的精确度较高
The polytropic index can be calculated according to the experiment data of coal temperature, the free gas expansion work and adsorbed gas work can be calculated using polytropic index. 多变指数可以通过实验测定的煤体温度来计算 ;吸附瓦斯和游离瓦斯的膨胀功可以利用多变指数计算 .
Zhou FM. Study on transformation of sulfate, nitrate and relative gases in city:[Ph.D. Thesis]. Beijing: Peking University, 2001(in Chinese). 周福民，城市气溶胶硫酸盐、硝酸盐及相关气体的变化与转化研究:[博士学位论文]。北京：北京大学，2001
Is our relative strength growing? 我们的相对力量正在增长吗？
I'll refill my cigarette lighter with gas. 我将给打火机再灌满汽油。
The gas bubbled to the surface of the water. 气体变成气泡升上水面。
They are now living in relative comfort. 他们现在过着比较安逸的生活。
We are well served with gas in this town. 这个城镇煤气供应得很好。
He is a distant relative of mine. 他是我的一位远亲。
He cooks his meal with a gas stove. 他用煤气炉做饭。
My aunt is my only immediate relative. 我姑母是我唯一的至亲。
He asked me some questions relative to the subject. 他问了我一些有关这个题目的问题。
Don't forget to drop by at the gas station. 别忘了到煤气站去看看。
A cousin is a collateral relative. 表兄弟是旁系亲属。
I was given gas when they pulled my tooth out. 给我拔牙时用了一氧化二氮。
Her aunt is her nearest relative. 她姨妈是她最近的亲戚。