单项选择题X 纠错
A.±2.0mm B.±0.7mm C.±1mm D.±0.5mm
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单项选择题
A.110mm B.80mm C.90mm D.75mm
A.1.0mm B.0.7mm C.1.2mm D.0.5mm
A.1/6000 B.1/5000 C.1/1000 D.0.75/5000
A.120mm B.150mm C.125mm D.100mm
A.120mm B.80mm C.125mm D.75mm
A.1000-1500mm B.800-1000mm C.1000-1200mm D.900-1100mm
A.1000mm B.800mm C.1200mm D.900mm
A.110VB.24VC.36VD.220V
A.曳引机、曳引机座、控制柜和曳引轮等 B.工字钢、曳引机、曳引机座、控制柜和导向轮等 C.工字钢、对重快、曳引机、曳引机座、控制柜等 D.工字钢、曳引机、控制柜和电器部件等
A.100mm B.150mm C.200mm D.250mm
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