ram pressure confinement

例句：

1. 1.The compressor is designed to maintain a constant pressure in the confined space.
   压缩机被设计来保持封闭空间中的压力恒定。
2. 2.The compressor is essential for maintaining the pressure in the confined space.
   压缩机对于维持封闭空间中的压力至关重要。
3. 3. The compressor is used to control the pressure in the confined space.
   压缩机用于控制封闭空间中的压力。