A.6周B.8周C.5周D.2周E.3周
A.3.8mmol/L B.4.0mmol/L C.5.0mmol/L D.2.0mmol/L E.2.8mmol/L
A.5%~7% B.5%~10% C.10%~15% D.1%~7% E.5%~15%