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井下紧急避险系统
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井下紧急避险系统
Encyclopedia
工学
矿山安全避险六大系统
释
underground mine emergency refuge system
井下紧急避险系统
在矿井下发生灾变时,为井下人员安全避险提供的由避灾路线、紧急避险设施、设备和措施组成的生命保障体系。
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produced water treatment
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Producers Guild of America
Producers Guild of America Award
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producing and screening modes of Korean TV series
producing area identification of crude drug
Producing Transportization
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