单项选择题
A.>2000mlB.>2500mlC.>3000mlD.>1500ml
A.10sB.15sC.5sD.8s
A.上臂外侧中1/3B.腹壁C.双侧大腿前外侧上D.双侧臀部外上侧
A.8~12B.12~48C.24~48D.24~72
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