A.80℃ B.88℃ C.90℃ D.100℃
A.7V B.8V C.9V D.10V
A.1.25~1.30mm B.1.25~1.40mm C.1.25~1.50mm D.1.25~1.60mm
A、单位领导 B、有关职工 C、当地群众 D、旅客货主
A、轴箱轴承 B、轴箱止挡 C、轴箱弹簧 D、车轴