圆柱压缩弹簧
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column compressed spring
以上为机器翻译结果，长、整句建议使用 人工翻译 。
A new isolation device was designed to avoid damage of steel exposed-column base in earthquake, which consists of a wedge compressed by a spring and a counter-wedge.
为避免钢结构露出型柱脚在地震中发生破坏，研究一种新的减震装置。
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模块上移
模块下移
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