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[VOA慢速-农业报道] VOA慢速新闻附字幕:斯里兰卡使用雨水灌溉和发电
Sri Lanka plans to store and use a billion cubic meters of rainwater each year to support irrigation and power generation. The rainwater would go into the sea if it is not used.2008-07-28 编辑:Sunny
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[VOA慢速-农业报道] VOA慢速新闻附字幕:斯里兰卡用雨水灌溉和发电
Sri Lanka plans to store and use a billion cubic meters of rainwater each year to support irrigation and power generation. The rainwater would go into the sea if it is not used.2015-08-05 编辑:Sunny