Refuge chamber can be disassembled according to mine barrier structure can be individually designed, divided into various different types of 30-100 people.
可拆解避难硐室可根据各煤矿不通结构单独设计而成，分为30- 100人各种不同型号。
Refuge chamber can be disassembled according to mine barrier structure can be individually designed, divided into various different types of 30-100 people.
可拆解避难硐室可根据各煤矿不通结构单独设计而成，分为30- 100人各种不同型号。
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