However, refuge chamber or rescue capsule is a closed space, it for the underground work who cannot evacuate provide a avoid disaster in time and win the rescue time when coal mine accident.
然而，避难硐室或救生舱就是这样一个在煤矿发生事故时为无法及时撤离的井下作业人员提供一个躲避灾难、赢得救援时间的安全的密闭空间。
However, refuge chamber or rescue capsule is a closed space, it for the underground work who cannot evacuate provide a avoid disaster in time and win the rescue time when coal mine accident.
然而，避难硐室或救生舱就是这样一个在煤矿发生事故时为无法及时撤离的井下作业人员提供一个躲避灾难、赢得救援时间的安全的密闭空间。
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