释义 |
acoustical door acoustical door[ə′küs·tə·kəl ′dȯr] (building construction) A solid door with gasketing along the top and sides, and usually an automatic door bottom, designed to reduce noise transmission. acoustical doorA door having a sound-deadening core, stops along the top and sides sealed by gaskets, and an automatic drop seal along the bottom; especially constructed to reduce noise transmission through it. See also: dooracoustical doorA solid, heavy door which is gasketed along the top and sides; usually has an automatic door bottom; especially constructed to reduce noise transmission through it; usually carries a sound transmission class (STC) rating, which is a measure of its sound insulation value. |