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bullet-proof door
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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Cement and Concrete Composites
Cement and Concrete Research
cement asphalt mortar
cementation
cement-based composites
cement bond logging device
cement bond quality evaluation
cement bond strength
cement by using tailings as one of the major raw materials
cement concrete
cement concrete for pavement
cement concrete intercepting ditch pave
cement concrete pavement
cement concrete pavement cracking and seating
cement concrete pavement crusher
cement concrete pavement design
cement concrete pavement water extractor
cement concrete three-roller shaft
cemented backfill
cemented doublet
cemented masonry dam
cemented material dam
cemented sand
cemented sand, gravel and rock dam
cement factory
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