... [=self-care]自己护理,自救,自顾 [=semilunar valve closure]半月瓣关闭 [=serum cholesterol]血清胆固醇 ...
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closure of the semilunar valves
... closed-chest massage 胸外按摩 closure of the semilunar valves 半月瓣关闭 clot retraction time 血块退缩时间 ...
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