For gases, one has to distinguish between the changes of state which take place under constant volume and those under constant pressure.
英
美
- 对于气体来说,必须把恒容和恒压下发生的状态改变区别开来。
- 今日热词
-
- 深远海浮式风电平台 - deep-sea floating wind power platform
-
- 京雄高速公路 - Beijing-Xiongan expressway
-
- 农业及相关产业增加值 - the added value of agriculture and related industries