A.轉(zhuǎn)向架兩端 B.轉(zhuǎn)向架中間 C.機(jī)車兩端 D.機(jī)車中間
A.±2% B.±4% C.±3% D.±1%
A.0.1~0.15mm B.0.25~0.4mm C.0.4~0.6mm D.0.6~0.9mm