The significance of dealing coal mine collapse pit and reclamation of land are introduced.
介绍了煤矿塌陷坑的治理途径和复垦的意义。
The reclamation of land from the sea or other projects to enclose sea areas and the excavation of sand and gravel shall be strictly controlled.
对围海造地或其他围海工程,以及采挖砂石,应当严格控制。
Land reclamation continued, and between 1590 and 1665, almost 100,000 hectares were reclaimed from the wetland areas of Holland, Zeeland, and Friesland.
人们继续开垦土地,1590年到1665年之间,几乎有10万公顷的土地是从荷兰、泽兰和弗里斯兰的湿地开垦而来。
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