单项选择题
A.28.8m2B.42.68m2C.43.32m2D.21.2m2
A.49600kgB.42901.08kgC.44122.61kgD.3200kg
A.4.75mB.4.5mC.4.445mD.3.85m
A.49600kgB.42050kgC.44122.61kgD.3200kg
A.44122kgB.42901kgC.49600kgD.47382kg
A.4.5mB.4.45mC.3.2mD.2.7m
A.43.32m2B.45.32m2C.21.2m2D.42.68m2
A.低支架B.中支架C.宽支架D.高支架
A.φ99X332B.φ59X220C.φ44X168D.φ110X430
A.100mmB.200mmC.300mmD.400mm
A.120mmB.125mmC.130mmD.138mm