“The sales lady, the basic rope was on the scene, and I was asked to test the sound insulation effect in the room. The call is not big enough. How do you know if the sound insulation effect of your building is good?”
EMS111.mp4
Size 1920×1080
Length 38:44
Video codec H264, 16284 Kbps
Audio codec AAC, 204 Kbps
Container MP4
Filesize 4.5 GB
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