- 推荐网络解释
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normal sampling inspection:正常抽样检验
normal standard cost正常标准成本 | normal sampling inspection正常抽样检验 | normal supply正常供应
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nitro-cotton:硝化棉
nitro phosphate 硝酸磷肥 | nitro-cotton 硝化棉 | nitro-grade benzene 硝化级苯
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helicine arteries:螺旋动脉
螺旋板钩|hamulus of spiral lamina | 螺旋动脉|helicine arteries | 螺旋孔列|foraminous spiral tract