pressure span

例句：

1. 1.The pressure span of the engine is critical for its performance.
   发动机的压力跨度对其性能至关重要。
2. 2. The pressure span between two points on a graph is the distance between them.
   图上两点之间的压力跨度是它们之间的距离。
3. 3. The pressure span between the two plates is what determines their separation.
   两个板之间的压力跨度决定了它们的分离。