Changden.常德changn.Chang: 长江；扬子江=Yangtze.Chang's conjunctival cellChangbai Mountain culture长白山文化Changjiang river of wuhan长江武汉段changing language symbols符号转换Changqing natural reserve长青国家级自然保护区changing of soil moisture土壤水分变化chang hua commercial bank[经] 彰化商业银行Changing coal to coal gas煤改气Changchun Seismic Station长春地震台Changjiang river shipping长江航运