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gunshot residues
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gunshot residues
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gunshot residues
射击残留物
枪支射击时,从枪口喷出和从枪管尾部逸出的气团中,除了大量的气体外还有未燃烧或未完全燃烧的火药颗粒及其中间固体产物,有击发药燃烧而生成的固体产物和弹头在枪管内剧烈摩擦而产生的金属碎屑等,这些物质称为射击残留物。
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warper drum
warp faced compound tabby with dancer and animal
warp faced compound tabby with piles
war photography
War Pictorial
warp ikat/ silks woven with tie dyed warps
warping
warping beam
warping beam creel
warping beam yarn sizing machine
warping behavior of polymer materials
warping machine
warp insertion and weft insertion in weft knitting
warp knitted axial fabric
warp knitted bed-curtain
warp knitted carpet
warp knitted coral velvet
warp knitted co-we-nit fabric
warp knitted curtain
warp knitted elastic bandage
warp knitted elastic cloth
warp knitted elastic fabric
warp knitted fabric
warp knitted fabric take-up and batched device
warp knitted fishing net
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