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透声系数
gen. sound-transmission
oil acoustical transmission factor
refrig. sound-transmission coefficient
tech. acoustic transmission coefficient; acoustical transmission coefficient; acoustic transmissivity; acoustical transmissivity; sound transmission coefficient
透声传声系数
archit. acoustical transmission factor
透声系数
: 12 phrases in 5 subjects
Metallurgy1
Oil / petroleum2
Space1
Technology7
Telecommunications1

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