A.35~55mmHg B.35~65mmHg C.35~45mmHg D.40~55mmHg E.45~55mmHg
A.肺心病B.糖尿病酮癥酸中毒C.大葉性肺炎D.肺結(jié)核E.哮喘病人
A.20%~30% B.20%~40% C.30%~40% D.25%~35% E.35%~45%