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单项选择题
A.1
B.1.5
C.2
D.2.5
单项选择题
A.1
B.2
C.3
D.4
单项选择题
A.100mm*10mm,40mm*4mm
B.150mm*10mm,40mm*4mm
C.100mm*10mm,50mm*5mm
D.150mm*10mm,50mm*5mm
单项选择题
A.5M,10~15M
B.5M,15~20M
C.10M,10~15M
D.10M,15~20M