main water supplying strata

• 主要供水层

main water supplying strata的用法和样例：

例句

1. Underground water is the main water supply in Suihua Area.
   地下水是绥化地区的主要供水水源。
2. Due to the rapid socio-economic development in recent years, the water supply of the Shimen reservoir gradually evolved from the agriculture to the public and irrigation.
   近年来社会经济发展快速，石门水库原设计主要供水标的为农业用水，演变成公共给水及灌溉并重。