In Vientiane plain,plentiful K-Mg salt resources will be exploited.In order to protect environment and increase utilization as far as possible, a correct exploitation program must be selected.

• 万象平原丰富的钾镁盐矿产资源正有待开发,正确选择开采方式将能最大限度地保护环境和提高资源利用率。