A.44
B.46
C.48
D.50
[单选题]若使吸氧浓度达33%,氧流量至少应调节为 ( )A.2L/minB.3L/minC.6L/minD.4L/minE.5L/min
[单选题]手提式水基型灭火器的规格有2L、3、6L、()A.8LB.9LC.10LD.11L
[单选题]手提式水基型灭火器的规格有2L、3L、6L、____。A.8LB.9LC.10LD.12L
[单选题]手提式水基型灭火器的规格有2L、3L、6L、( )。A.8LB.9LC.10LD.12L
[单选题]手提式水基型灭火器的规格有2L、3L、6L、( )。A.8LB.9LC.10LD.12L
[单选题]手提式水基型灭火器的规格为2L、3L、6L、()。A.8LB.9LC.10LD.12L
[单选题]手提式水基型灭火器的规格有2L、3L、6L、()。A . (A)8LB . (B)9LC . (C)10LD . (D)12L
[试题]2,6,12,21,33,()A.37B.49C.47D.52
[单选题]氧气雾化吸入时氧的流量是A.1~2L/minB.2~4L/minC.4~6L/minD.6~8L/minE.8~10L/min
[单选题]大型冲洗机水流量一般在A.1~2L/minB.5~5L/minC.6~8L/minD.9~10L/minE.11~12L/min