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单词
mass law of sound insulation
释义
mass law of sound insulation
mass law of sound insulation
[
′mas ′lȯ əv ′sau̇nd ‚in·sə‚lā·shən
]
(civil engineering)
The rule stating that sound insulation for a single wall is determined almost wholly by its weight per unit area; doubling the weight of the partition increases the insulation by 5 decibels.
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更新时间:2025/10/16 9:02:18