-700HU
-800HU
-900HU
-1000HU
-1100HU
1.根据CT值的定义公式,空气的CT值为( )A、-700HUB、-800HUC、-900HUD、-1000HUE、-l100HU
2.根据CT值的定义公式,空气的CT值为( )A、-900HU B、-700HU C、-800HU D、-1000HU E、-1100HU
3.单选题根据CT值的定义公式,空气的CT值为()A -700HUB -800HUC -900HUD -1000HUE -1100HU
4.根据CT值的定义公式,空气的CT值为()A、-700HUB、-800HUC、-900HUD、-1000HUE、-1100HU