求翻译：巢湖湖区工程区，在枯水期当水位为6.03m时，水深范围从0～6.2m；在丰水期当水位为7.57m时，水深范围从1.56～7.76m。巢湖入湖河流有33条，其中邻近湖区本疏浚区的有烔炀河和柘皋河。工程区范围内现状用地主要为水域、湿地、滩涂、池塘、村庄、农田、堤坝等；周围用地性质为绿地和村庄、农田、池塘等。堤坝的防洪功能在湿地中必须予以保护。是什么意思？

Chaohu Lake project area, in the dry season when water level is 6.03m, the depth range from 0 ~ 6.2m; in the wet period when the water level is 7.57m, the depth range from 1.56 ~ 7.76m. Chaohu Lake has 33 rivers, including the dredging area near a lake Chiung Yang Gao Zhe River and the river. Status

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Area project area of chaohu Lake, in the dry season when the water level is 6.03m, the water depth ranges from 0~6.2m; in rainy periods when the water level is 7.57m, water depth ranges from 1.56~7.76m. Chaohu Lake rivers has 33, with nearby Lake dredging area Juyang River and zhegao River. Present

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