A.10%~30% B.30%~50% C.50%~70% D.70%~90%
A.適當(dāng)休息、保證睡眠 B.臥床休息,不限制活動(dòng) C.限制活動(dòng),增加臥床休息時(shí)間 D.絕對(duì)臥床休息
A.5mm B.4mm C.3mm D.2mm