客车车身振动仿真分析
Simulation on Bus Body Vibration
列车上座率
train seat occupation rate
某轿车车身有限元分析
Finite Element Analysis of A Car Body
汽车车身板铝合金
aluminium alloys for automobile body sheets
汽车车身覆盖件拉深模具
automobile body sheet metal stamping dies
汽车车身焊接新技术
latest welding technologies for car body
汽车车身框架结构
frame structure of car body