Video: 0239_exhaust_smoke_1
Phase transition: diffusion
State before: aerosol/gas
State after: aerosol/gas
Object: In the process of exhausting the smoke, the smoke which is being exhausted from the chimney in the initial frame
目标物体: 在排放烟雾过程中,位于初始帧中从烟囱中排放出来的烟雾