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一条沱江，清水悠悠。桥面，锤声连连，焊花四落；桥下，钢柱林立，江水缓流。站在岸边高坡远望，一座巨“弓”初具雏形，安卧在桥墩之上。 这是成渝中线高铁建设现场，眼前的巨“弓”便是简阳沱江特大桥的雏形。成渝中线高铁是长江沿江高铁的重要组成 ...