- 正确
- 错误
- 正确
- 错误
- 正确
- 错误
- 正确
- 错误
- 正确
- 错误
- 正确
- 错误
- 正确
- 错误
- 正确
- 错误
- 正确
- 错误
- 正确
- 错误
- 正确
- 错误
- 正确
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- 正确
- 错误
- 19
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核伤钢轨可以截锯再用。
- 正确
- 错误
- A.0.5mm
- B.1mm
- C.1.5mm
- D.2mm
- 正确
- 错误
- A.50mm
- B.60mm
- C.75mm
- D.90mm
- A.50mm
- B.60mm
- C.75mm
- D.90mm
- A.50mm
- B.60mm
- C.75mm
- D.90mm
- A.18mm
- B.17mm
- C.16mm
- D.15mm
- A.±40mm
- B.±80mm
- C.±120mm
- D.±160mm
- A.10mm
- B.15mm
- C.20mm
- D.25mm
- A.1‰
- B.2‰
- C.1.5‰
- D.2.50‰
- A.15mm
- B.20mm
- C.25mm
- D.30mm
- A.2‰
- B.2.5‰
- C.3‰
- D.3.5‰
- A.3根
- B.4根
- C.5根
- D.6根
- A.1~2mm
- B.2~4mm
- C.3~6mm
- D.4~8mm
- A.伸缩区
- B.缓冲区
- C.伸缩区和缓冲区
- D.固定区
- A.0
- B.1000mm
- C.2000mm
- D.1500mm
- A.1~2mm
- B.2~4mm
- C.3~6mm
- D.4~8mm
- A.45mm
- B.50mm
- C.90mm
- D.100mm
- A.3mm
- B.6mm
- C.9mm
- D.12mm
- A.3mm
- B.4mm
- C.6mm
- D.9mm
- A.20m
- B.25m
- C.40m
- D.50m
- A.20m
- B.25m
- C.40m
- D.50m
- A.6mm
- B.8mm
- C.10mm
- D.12mm
- A.1.5‰
- B.2‰
- C.2.5‰
- D.3‰
- A.18mm
- B.15mm
- C.12mm
- D.9mm
- A.7mm
- B.6mm
- C.5mm
- D.4mm
- A.14mm
- B.15mm
- C.10mm
- D.9mm
- A.50mm
- B.60mm
- C.70mm
- D.80mm
- A.82.3km/h
- B.85km/h
- C.90km/h
- D.45km/h
- A.3mm
- B.2mm
- C.1mm
- D.0
- A.95mm
- B.90mm
- C.85mm
- D.80mm
- A.120km/h
- B.144km/h
- C.40km/h
- D.150km/h