constant pressure line

• 等气压线,等压线

constant pressure line的用法和样例：

例句

1. Barometer readings are plotted on a pressure chart.
   等压线圈上绘出了气压计的读数。
2. A region of low pressure with roughly concentric isobars is known technically as a cyclone.
   具有大致同心的等压线的低压区在技术上称为气旋。