铁路货车车钩的纵向载荷谱特性
张福田
1
, 王曦
2
, 邵文东
3
Characteristics of the longitudinal load spectrum of railway freight train coupler
ZHANG Futian
1
, WANG Xi
2
, SHAO Wendong
3
按载重折算后各载荷谱车钩力累积频数曲线