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有关简单介绍极限运动的英语文章

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/29 11:05:09
有关简单介绍极限运动的英语文章
简单的介绍一下各类极限运动的历史和现状,不要太复杂.
A damper assembly including a spherical elastomer bearing member, wherein the spherical elastomer bearing member is operable for accommodating relative motion and vibration, and a flat elastomer bearing member, wherein the flat elastomer bearing member is operable for accommodating relative motion and vibration. The damper assembly also including a substantially rigid transition shim disposed between the spherical elastomer bearing member and the flat elastomer bearing member, wherein the substantially rigid transition shim is operable for coupling the spherical elastomer bearing member to the flat elastomer bearing member.
The damper assembly further including a tension member attached to the substantially rigid transition shim, wherein the tension member is operable for precompressing the spherical elastomer bearing member and increasing the cocking stiffness of the damper assembly.