Đường thời gian âm thanh từ đầu đến cuối

• 00:09
• 00:36
• 01:03
• 01:30
• 01:57
• 02:24
• 02:52
• 03:19
• 03:46
• 04:13
• 04:40
• 05:08
• 05:35
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Showing the sounding journey from starting at 8 mm to over 15 mm sounding rods!