There are now plans to spend US$ 500 million on360 tube wells equipped with facilities to remove arsenic, as well as five surface water treatment plants.

  • 如今,有计划准备投入5亿美元为360口管井装备砷净化设备,而且还要建立5个地表水处理厂。

  • 互联网摘选 2025-01-19 23:24:48

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