三維空間, 半月, 肺动脉瓣, 三尖瓣, 二尖瓣, 心肌, 右心室, 左心房, 右心房, 阀, 心血管系统, 心脏(符号), 影视素材,

视频 1

三維空間, 半月瓣, 腱索, 心房收缩, 乳头肌, 中庭(剧场), 左耳廓, 三尖瓣, 二尖瓣, 心动周期, 室, 心房(心脏), 心血管系统, 心脏(符号), 影视素材,

视频 2

三維空間, 半月瓣, 腱索, 心房收缩, 乳头肌, 前室间沟, 中庭(剧场), 左耳廓, 三尖瓣, 二尖瓣, 心动周期, 心房(心脏), 心血管系统, 心跳, 全身, 心脏(符号), 骨架, 影视素材,

视频 3
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