求翻译：安全梁由吸能器罩壳、若干个主、副高效缓冲吸能器与底梁组成，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 by the energy-absorbing hood, several main vice efficient buffer the energy absorber mudsill, bottom beam by rigid part, cover and energy absorber for flexible energy-absorbing part with flex structure feature

Leung security by energy-absorbing, hood, and a number of primary, secondary and efficient buffer suction to the bottom beam, of which the part is rigid force, hood and the Web server can be a flexible, energy-absorbing part with a rigid-Flex structural characteristics

The security Liangyou power absorber lagging, certain primary and secondary highly effective cushion 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 an

Security beam energy absorber for shell, a number of main and auxiliary end of efficient energy absorbing device and beam composed of end of beam force parts as rigid, shell with energy absorbing device is a flexible energy absorbing parts, with a combination of rigid-flexible structure characterist

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