他们对于可用水量只有一点模糊的了解。
They have only a vague idea of the amount of water available.
可用水量决定了需要水的处理系统是否可行。
Available water. The amount of available water will determine whether disposal systems requiring water are a possibility.
随着人均可用水量的不断下降，灌溉农业必须提高水资源利用效率，同时进一步采用有利于环境的经营和管理方式。
As per capita water availability decreases, irrigated agriculture will have to be more efficient in water use as well as more environment friendly in operation and management.
应用推荐