A . 70μW/cm2
B . 80μLW/cm2
C . 90μW/cm2
D . 100μW/cm2
E . 110μW/cm2
[单选题]对新购进的紫外线灯管的照射强度不得低于A.70μW/cmB.80μW/cmC.90μW/cmD.100μW/cmE.110μW/cm
[单选题]对新购进的紫外线灯管的照射强度不得低于A.70μW/cmB.80μW/cmC.90μW/cmD.100μW/cmE.110μW/cm
[单选题]对新购进的紫外线灯管的照射强度不得低于A.70μW/cmB.80μLW/cmC.90μW/cmD.100μW/cmE.110μW/cm
[单选题]对新购进的紫外线灯管的照射强度不得低于A.70μW/cm2B.80μLW/cm2C.90μW/cm2D.100μW/cm2E.110μW/cm2
[单选题]对新购进的紫外线灯管的照射强度不得低于A.70μW/cmB.80μLW/cmC.90μW/cmD.100μW/cmE.110μW/cm
[单选题]紫外线新灯管的照射强度不得低于( )。A.80~90μW/cm2B.85~90μW/cm2C.85~95μW/cm2D.90~95μW/cm2E.9
[单选题]紫外线新灯管的照射强度不得低于( )。A.80~90μW/cm2B.85~90μW/cm2C.85~95μW/cm2D.90~95μW/cm2E.9
[单选题]使用中紫外线灯管的照射强度不得低于()。A . 70μW/cm2B . 80μW/cm2C . 90μW/cm2D . 100μW/cm2E . 10μW/cm2
[单选题]使用中紫外线灯管的照射强度不得低于A.70μW/cmB.80μW/cmC.90μW/cmD.100μW/cmE.10μW/cm
[单选题]使用中紫外线灯管的照射强度不得低于A.70μW/cmB.80μW/cmC.90μW/cmD.100μW/cmE.110μW/cm