等压的

例句：

1. 1. The pressure in thetank is equal to that of the outsideworld.
   水箱内的压力与外界相等。
2. 2. Thegas was compressed at constant pressure.
   气体在恒定压力下被压缩。
3. 3. Thepressure gauge shows that the temperature is stable.
   压力表显示温度稳定。