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smoke damper
释义
smoke damper
smoke damper
A damper, 1 arranged to seal off air flow automatically through part of an air duct system, so as to restrict passage of smoke.
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jgbf
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jgc
jgca
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jgcc
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jgcg
jgcl
j-g complex
jgcri
jgct
jgd
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jgee
j geils band
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更新时间:2026/9/9 15:31:39