题目内容 (请给出正确答案)
提问人:网友d*******1 发布时间:2022年4月6日 07:28
[单项选择题]

在面部,除血供特别丰富的部位外,随意皮瓣长宽之比通常不超过()

A.1:1

B.2:1

C.2:1~3:1

D.4:1~5:1

E.5:1~6:1

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