求翻译：安全梁由罩壳、吸能器与底梁组成，其中底梁为刚性受力部分，罩壳与吸能器为柔性吸能部分，具有刚柔结合结构特征是什么意思？

An Quanliang casing, the energy absorber with mudsill bottom beam by rigid part, cover and energy absorber for flexible energy-absorbing part with flex structural features

Dr hood security by suction, to the bottom beam, in which the force is rigid, hood and the Web server can be a flexible, energy-absorbing, flexible integration with structural characteristics

The security Liangyou lagging, the power absorber and the bottom millstone composition, in which bottom millstone for the rigid stress part, the lagging and the power absorber attracts for the flexibility can the part, has the hard and soft union structure characteristic

Safety beam by shell, energy absorption and beam at the end of the composition, which beams rigid force by the end of part, shell with energy absorbing device is a flexible energy absorbing parts, with a combination of rigid-flexible structure characteristics

正在翻译，请等待...