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長江,亞洲第一長河,全長6397千米。它發(fā)源于青藏高原唐古拉山的主峰各拉丹冬雪山??偯娣e1808500平方公里(不包括淮河流域),約占全國土地總面積的1/5,和黃河一起并稱為“母親河”。 ....................................................................................據(jù)不完全統(tǒng)計(jì),從上海至宜賓江段,長江上共有85座大橋(含長江隧道),你見過幾座呢? ....................................................................................
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