... 门厅讯号装置 hall fixtures; hall station 事故讯号装置 alarm signalling; emergency signalling device 预告讯号装置 warning device ...
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emergency signalling device
应急信号装置
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Meanwhile, the coastguard was not alerted to the Purbeck Isle's plight for seven hours as it was not fitted with an emergency position-indicating radio beacon or similar distress signalling device.
BBC: Purbeck Isle deaths report: Life raft failures blamed
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