horn buoy button spring 喇叭按钮弹簧
horn buoy spring plate 喇叭弹片
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Fine designed, it is like a colour waistbelt around the waist, the balloons spring and come into being a buoy around oxters after inflated, it is very convenient to wear.
产品设计精巧，如一条彩色腰带扎在腰间，充气后，气囊从腰带中崩出形成救生圈围于腋下，穿着方便实用。
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