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emergency event
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emergency event
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工学
突发事件
释
emergency event
突发事件
突然发生,造成或可能造成严重社会危害,需要采取应急处置措施予以应对的自然灾害、事故灾难、公共卫生事件和社会安全事件。
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Ronny Yu
Rontgen
Rontgen ray
Rontgen rays
Rood-Sastry classification
Rood-Sastry system
Rood-Sastry type
roof
roof and floor
roof and floor of wood frame construction
roof-angle prism
roof fall
roof garden
roof greening
roofing beam
roofing engineering
roof iris
Roofloy
roof of coal seam
roof planting
roof prism
roof-ridge decorative animal sculptures
roof strata collapse of working face
Roof Tile With Monster-mask
Rooftop
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