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1.適用于不同種類的 沿海和內(nèi)陸人員漂流時穿的,防洪,水上運(yùn)動等。
2.漂浮的條件:保持身體垂直或傾斜,頭露出水面。
主要參數(shù):浮力≥7.5kg
材料:珍珠棉,發(fā)泡聚乙烯(浮力損失浸泡在水中后,在 24小時小于5%)