The device failed to explode.

该装置没有爆炸。

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Italy's media told that the suspected package was opened by the staff but failed to explode.

意大利媒体称，这个可疑包裹被使馆负责处理邮件的职员打开，所幸没有发生爆炸。

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One of his devices ignited, but failed to explode, in the cargo hold of an American Airlines passenger plane.

在一架美国航空公司飞机的货舱里，他的一个装置引燃了，不过没有爆炸。

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The device failed to explode.

VOA: special.2010.05.08

It is reported that one fired by Splendid, its sole cruise-equipped submarine, failed to explode.

ECONOMIST: The shadow over Westminster

Scientists reported that they found DNA matching that of an electrician from South Armagh, Sean Hoey, in the TPUs of four devices that failed to explode.

BBC: Omagh: 10 years on

The five were arrested on Saturday in connection with the discovery of a mobile phone rigged to detonate a bomb which failed to explode during the attacks.

BBC: NEWS | Europe | Madrid bomb suspects denied bail