gas space

例句：

1. 1. The gas space in the engine is essential for combustion efficiency.
   发动机中的气体空间对于燃烧效率至关重要。
2. 2.The scientist conducted experiments to measure the gas space of the balloon.
   科学家进行了实验来测量气球的气体空间。
3. 3. The gas space between the planets is filled with asteroids and comets.
   行星之间的气体空间充满了小行星和彗星。