dilapidated reservoirs

• 病险

dilapidated reservoirs的用法和样例：

例句

1. We will pool resources to basically complete, within two or three years, the upgrading of all largemedium-sizedkey dilapidated small reservoirs in China.
   集中力量用两到三年时间基本完成全国大中型和重点小型病险水库改造。