lifejacket meaning in English

救生背心
救生衣

Lifejackets and personal buoyancy aids - lifejacket 150
救生衣和专用浮力工具. 150型救生衣
Lifejackets and personal buoyancy aids - lifejacket 275
救生衣和专用浮力工具. 275型救生衣
Lifejackets and personal buoyancy aids - lifejacket 100
救生衣和专用浮力工具. 100型救生衣
Put off the standard lifejacket or buoyancy aid during the competition
在比赛进行中，将救生衣除下。
Locator lights for airborne applications - specification for lifejacket lights
航空用定位灯.救生衣照明规范

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