如图为家鸽�吸系统示意图据图回答1家鸽�气时气流的流动方�是2→3→12→3→1.2家鸽�吸的过程�两翼举起气囊扩张扩张外界 Template




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tomski如图为家鸽�吸系统示意图据图回答1家鸽�气时气流的流动方�是2→3→12→3→1.2家鸽�吸的过程�两翼举起气囊扩张扩张外界 coloring