Protection of openings is the important part of the blast-resistant structure. Attentions should be paid to the study of the designing of protection devices, such as blast valves and blast doors.
孔口防护措施是抗爆结构的重要组成部份，因此必须重视研究孔口防护设备如防爆活门与防护门的设计。
Protection of openings is the important part of the blast-resistant structure. Attentions should be paid to the study of the designing of protection devices, such as blast valves and blast doors.
孔口防护措施是抗爆结构的重要组成部份，因此必须重视研究孔口防护设备如防爆活门与防护门的设计。
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