A.6:1
B.8:1
C.10:1
D.12:1
E.14:1
[单选题]胸部高电压摄影所用滤线栅的比值应是()A.6∶1B.8∶1C.10∶1D.12∶1E.14∶1
[单选题]胸部高电压摄影,滤线栅的栅比不应小于A.8:1B.10:1C.12:1D.16:1E.18:1
[单选题]胸部高电压摄影,滤线栅的栅比不应小于A.8∶1B.10∶1C.12∶1D.16∶1E.18∶1
[单选题,A2型题,A1/A2型题] 胸部高电压摄影,滤线栅的栅比不应小于()A . 8:1B . 10:1C . 12:1D . 16:1E . 18:1
[单选题]胸部高电压摄影,滤线栅的栅比不应小于()A.8∶1B.10∶1C.12∶1D.16∶1E.18∶1
[单选题]胸部高电压摄影,滤线栅的栅比不应小于()A.8∶1B.10∶1C.12∶1D.16∶1E.18∶1
[单选题]胸部高电压摄影,滤线栅的栅比不应小于( )。A.8:1B.10:9C.12:1D.16:1E.18:1
[单选题]胸部高电压摄影,滤线栅的栅比不应小于( )。A.8:1B.10:9C.12:1D.16:1E.18:1
[单选题,A2型题] 胸部高管电压摄影,滤线栅的栅比不应小于()A . 8:1B . 10:1C . 12:1D . 14:1E . 16:1
[单选题]胸部高管电压摄影,滤线栅的栅比不应小于()A.8:1B.10:1C.12:1D.14:1E.16:1