本帖最后由 三T上人 于 2016-7-22 15:37 编辑 <br /><br /> Interstory drift refers to displacement of one level relative to the adjacent levels (either up or down).
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本帖最后由 三T上人 于 2016-7-22 15:37 编辑 <br /><br />Interstory drift refers to displacement of one level relative to the adjacent levels (either up or ...[/quote]
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