中文说明：一种新型煤矿井下高温作业特种防护服的设计研究_张德飞
English Description：
Design and research of a new type of special protective clothing for high temperature operation in coal mine_ Zhang Defei
Design and research of a new type of special protective clothing for high temperature operation in c
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中文说明：一种新型煤矿井下高温作业特种防护服的设计研究_张德飞
English Description：
Design and research of a new type of special protective clothing for high temperature operation in coal mine_ Zhang Defei一种新型煤矿井下高温作业特种防护服的设计研究_张德飞.caj