A.不大于0.5kg/m2B.不大于0.4kg/m2C.不大于0.3kg/m2D.不大于0.2kg/m2
A.直徑至少200mm,高為200mmB.直徑至少250mm,高至少200mmC.直徑至少250mm,高為250mmD.直徑至少200mm,高為250mm
A.Pmax/1.1B.Pmax/1.2C.Pmax/1.3D.Pmax/1.4