bumper beams造句

• Hot stamping with die quenching of boron steels appeared at the end of 1990s for producing some rather simple automotive parts like door beams and bumper beams
  用硼钢热冲压和模具冷却的工艺出现在90年代后期，起初是用于制造一些相对简单的汽车部件，如门梁和保险杠。
• In the cae , with the loading in ecer42 the bumper beam behaves in an elastic manner with no permanent damage . it proves that the simulation will has enough validity in the future research of this paper
  3 .依据试验数据对低速正面碰撞仿真模型进行了调整和验证,使模型达到了较高的准确性和可信度。