Weaken the slot in the rear energy-absorbing components, thin-walled beam side open in order to meet the requirements of energy saving, energy absorption of the device structure, light weight, good energy absorption, that is, the higher the energy absorbed per unit mass .

In order to meet the energy efficiency requirements, such as in the back of thin-beam energy-absorbing components have weakened the side slot, making the unit energy-absorbing structure, with a good quality light than the "drug" that can be absorbed by the Quality unit with higher energy.

In order to satisfy the energy conservation and so on the request, the aft attracts can the module thin wall Liang side open has the attenuated trough, causes this equipment energy absorption structure quality to be light, has good “compared to attracts energy”, namely the unit quality absorbs the e

In order to meet the requirements of energy-saving, on back side of the thin-walled beam energy-absorbing components having a weakening trough, energy absorbing structure makes the installation quality of light, have good "than", that is absorbed by the quality of the higher energy.

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