单项选择题X 纠错
A.聚氨酯 B.特殊铜合金 C.碳化钨 D.合金工具钢
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单项选择题
A.15mm B.20mm C.0.2mm D.0.05mm
A.12 B.13 C.14 D.15
A.+/-5mm B.+/-2mm C.+/-1mm D.+/-3mm
A.±150mm B.±100mm C.±200mm D.±250mm
A.1300mm B.1080mm C.1200mm D.1000mm
A.1000mm B.1080mm C.1200mm D.1300mm
A.1000mm B.1500mm C.1200mm D.1300mm
A.0.80mm B.0.50mm C.0.10mm D.0.08mm
A.550mm B.450mm C.650mm D.750mm
A.碳化钨 B.特殊铜合金 C.合金工具钢 D.不锈钢
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