Close shot of subject tree stone, mountains gradually into the clouds, the glaze of white, filled the mountain stream gurgling vision water vapour and clouds are dense.
画中主体近景树石，远山渐入云中，山中弥漫着出岫的白云，溪流淙淙，远景水气与云雾氤氲一片。
2
The vacuum pump may have a pumping mechanism that exposes the gas stream to water and wherein the water vapour is condensed from the gas stream.