A.26mm
B.24mm
C.22mm
D.20mm
[单选题]A.B.C.D.
[单选题]A.12.5%B.32%C.50%D.62.5%
[单选题]A.15mmB.20mmC.25mmD.32mm
[单选题]A.缺铁性贫血B.巨幼细胞性贫血C.再生障碍性贫血D.溶血性贫血E.骨髓病性贫血
[多选题]A.气体含水量检测系统B.压力监视系统C.净化系统D.低氟化合物还原装置
[判断题]A.对B.错