单项选择题
A.0.3cmB.0.4cmC.0.5cmD.0.8cm
A.20/1胸围+3cmB.20/1胸围+2cmC.20/1胸围+2.5cmD.20/1胸围+3.5cm
A.撇胸B.收省C.分割D.缝合
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