青云翻译

Dual magnetron "sound gate soundproof door door and door frame using the two-step sound insulation, and install a permanent magnet seal both doors easy to switch does not affect the acoustic performance, followed by the door shaft also made a special processing, acoustic doors are relatively heavy,

Double magnetic control "sound gate" across glottis is door and frames are used double stepped across sound, and installed magnet seal section, both let door easy switch and does not effect across sound performance, second we in door axis Shang also for has special processing, across glottis relativ

The double magnetism controls “the sound floodgate” the soundproofing gate is the gate and the doorframe all uses the double stair sound insulation, and installs permanent magnetism packing, also lets the gate easy switch also does not affect the soundproofing performance, next we have also made the

Double-magnetic "Acoustic" sound Gate is the gate door and door frame are in a dual-level acoustic, and install permanent magnet seal, so that the door is easy-to-switch and does not affect acoustic performance, followed by the door shaft we have also made a special deal with acoustic doors, relativ

Double magnetic control "sound gate" across glottis is door and frames are used double stepped across sound, and installed magnet seal section, both let door easy switch and does not effect across sound performance, second we in door axis Shang also for has special processing, across glottis relativ