单项选择题
A.ψ500mmB.ψ600mmC.ψ700mmD.ψ800mm
A.1060mmB.1160mmC.1260mmD.1360mm
A.200mm*200mmB.220mm*200mmC.240mm*220mmD.240mm*240mm
A.80mmB.100mmC.120mmD.140mm
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