A .110uw/cm2
B .100uw/cm2
C .90uw/cm2
D .80uw/cm2
E .60uw/cm2
[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]紫外线消毒灯管的紫外线强度低于(),就应该更换灯管。A .2000uW/cm2B .2500uW/cm2C .3000uW/cm2D .3500uW/cm2
[单选题]使用中紫外线灯的强度应不低于( )。A.30μW/cm2B.50μW/cm2C.70μW/cm2D.80μW/cm2E.100μW/cm2
[单选题]使用中紫外线灯的强度应不低于( )。A.30μW/cm2B.50μW/cm2C.70μW/cm2D.80μW/cm2E.100μW/cm2
[单选题]使用中紫外线灯的强度应不低于( )。A.30μW/cm2B.50μW/cm2C.70μW/cm2D.80μW/cm2E.100μW/cm2
[单选题]使用中紫外线灯的强度应不低于( )。A.30μW/cm2B.50μW/cm2C.70μW/cm2D.80μW/cm2E.100μW/cm2
[单选题]使用中紫外线灯的强度应不低于( )。A.30μW/cm2B.50μW/cm2C.70μW/cm2D.80μW/cm2E.100μW/cm2
[单选题]紫外线灯管强度低于多少应更换新灯管A.60um/cmB.70um/cmC.80um/cmD.85um/cmE.90um/cm
[单选题]紫外线灯管强度低于多少应更换新灯管A.60UW/cmB.70um/cmC.80um/cmD.85um/cmE.90um/cm