A.70μW/cm
B.80μW/cm
C.90μW/cm
D.100μW/cm
E.10μW/cm
[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
[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]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()A.B.C.D.E.
[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.80μW/cmC.90μW/cmD.100μW/cmE.110μW/cm