词汇	inward service
释义	inward service 对内业务
随便看	sound damping chamber sound damping coefficient sound damping device sound-damping device sound damping glazing sound damping material sound-damping material sound-damping qualities sound damping sheet sound deadener sound-deadener sound-deadeners sound deadening sound-deadening sound-deadening board sound deadening coating sound-deadening material sound-deadening paint sound-deadening plywood sounddeadening property sound-deadening quilt sound-deadening varnish sound deafener sound deafening sound deafening capacity