離門和窗都比較遠,震動最厲害的隻有一大麵牆靠著床的,房間裏錄過,可是不清楚,視頻裏隻能聽到有震動和高頻的噪音,但是不能證明“超出正常範圍”,專業家用分貝測量儀要$300-$400一個,窮人家實在沒那個閑錢買這玩藝啊~
離門和窗都比較遠,震動最厲害的隻有一大麵牆靠著床的,房間裏錄過,可是不清楚,視頻裏隻能聽到有震動和高頻的噪音,但是不能證明“超出正常範圍”,專業家用分貝測量儀要$300-$400一個,窮人家實在沒那個閑錢買這玩藝啊~
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