Sensitive listening equipment has long been used to try to hear people trapped underground.

敏感寻生设备(Sensitive listening equipment)一直用于寻找地下被困人员。

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Rescue workers in Bangladesh have called off their manual search for people trapped in the wreckage of a collapsed garment factory and have started to use heavy equipment to clear the rubble.

孟加拉国援助工人停止手工搜寻倒塌服装厂废墟中的人，开始用起重机来清理瓦砾。

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During its operation, the equipment is able to discharge automatically the gas trapped in the measuring circuit and performs self-protection and alarm automatically after fuel cutting-off.

工作时能自动排放测量油路内积存的气体，切断燃油后能自动完成安全保护与报警。

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Divers can also get trapped in the plastic, and it can get caught up in boating equipment.

VOA: special.2009.09.22

Bulldozers and other heavy lifting equipment were brought in as many people were feared trapped under the debris.

BBC: Huge blast rocks Pakistani city

They will take specialist equipment including listening devices and camera systems which can penetrate rubble to search for trapped survivors in collapsed buildings.

BBC: UK rescue team head to Indonesia

Cables fell and trapped Mr Shears and Mr Bannon after plastic trunking they were cased in melted - and the pair had no cutting equipment to free themselves.

BBC: Jim Shears (left) and Alan Bannon