下图是人体血液循环的示意图请据图回答 1在连接心脏的血管中血液里含氧较�而含营养物质较多的血管是 2c表示由胃肠流入肝脏的 Template




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tomski下图是人体血液循环的示意图请据图回答 1在连接心脏的血管中血液里含氧较�而含营养物质较多的血管是 2c表示由胃肠流入肝脏的 coloring