The mlation is more intimate between naturalevaporation and development of sea salt resources.
自然蒸发与沿海区海盐资源的开发利用关系密切。
2
The asphalt mostly through the naturalevaporation and oxidation, generally do not contain any poison.
这种沥青大都经过天然蒸发、氧化，一般已不含有任何毒素。
3
To study the water-holding capacities of desert soil and the soil amended with coal ash and sewage sludge, experiments were designed to simulate rainfall and naturalevaporation.