单项选择题X 纠错
A.10mm B.15mm C.20mm D.25mm
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单项选择题
A.65mm B.75mm C.80mm D.85mm
A.300mm B.400mm C.500mm D.600mm
A.250mm B.200mm C.150mm D.100mm
A.镀锌钢线 B.钢线 C.铜线 D.铜包钢线
A.100mm B.200mm C.300mm D.400mm
A.100-150mm B.100-200mm C.150-200mm D.200-250mm
A.5-10 B.5-8 C.10-13 D.20
A.0.5m B.1.0m C.1.5m D.2.0m
A.65-90m B.75-100m C.75-110m D.80-120m
A.600mm B.500mm C.400mm D.300mm
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