How much coal gas can this gas tank contain?

这个煤气包能储存多少煤气？

I turn on the coal gas stove, the red flame "shouted" fled.

我打开煤气灶，红色的火苗“呼”地窜了起来。

It might be necessary to convert the whole country back to coal gas.

可能有必要使全国都重新改为使用煤气。

The stress, water and velocity sensitivity of coal gas reservoir were studied.

研究了煤岩储层的应力敏感、水敏和速敏。

At that time, the coal gas of my home had changed to pipe and the former gas pot was useless.

那时，我家煤气改管道，原来的罐子没用了。