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防弹门
能吸收和耗散弹头、破片的动能,阻止弹头、破片穿透,有效保护门内人员、物资安全,并符合一定的防弹安全级别的门。
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wood carvings of opera in the Xiqin Guild Hall
wood carving work
woodceramic
wood chemical pulping
wood chemimechanical pulping
wood chemistry
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woodchip pretreatment
wood coal
wood coloring
Wood color system
wood conventional drying
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Wood crater
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Woodcut Society
Woodcutter and the Fox Spirit
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