A.絕對(duì)不應(yīng)期B.相對(duì)不應(yīng)期C.超常期D.低常期E.靜息期
A.5kgB.8kgC.10kgD.12kgE.15kg
A.3%~5%B.5%~7%C.7%~10%D.10%~13%E.15%~20%