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Marine emergency rescue signal has signal balloon and light released from radar reflecting casing with line attachment to boat or life jacket
Marine emergency rescue signal has signal balloon and light released from radar reflecting casing with line attachment to boat or life jacket
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机译：海上应急救援信号具有信号气球和从雷达反射罩释放的光，并附有与船或救生衣的线路
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摘要
A marine emergency rescue signal has a signal balloon and light attached to a line all released from and also carrying aloft a sea water proof radar reflecting metal casing upon discharge of a helium cylinder.
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