如图模拟的是�吸时膈肌的运动情况.在人体内如图乙所示的过程进行时橡皮膜代表的结构会 气体就被 . 题目和参考答案——青夏教育精英家教�—— Template




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tomski如图模拟的是�吸时膈肌的运动情况.在人体内如图乙所示的过程进行时橡皮膜代表的结构会 气体就被 . coloring