A.0.4-0.6g/kg/d,優(yōu)質(zhì)蛋白≥50% B.0.6-0.8g/kg/d,優(yōu)質(zhì)蛋白≥50% C.0.8-1.0g/kg/d,優(yōu)質(zhì)蛋白≥50% D.1.0-1.2g/kg/d,優(yōu)質(zhì)蛋白≥50%
A.+ B.++ C.+++ D.++++
A.400 B.300 C.500 D.600