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化妆品原料
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化妆品原料
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化妆品原料
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cosmetic raw material
化妆品原料
化妆品原料是指在不同剂型化妆品加工过程中所加入的合成、半合成或天然物质,其物理形态包括气、液、胶体/凝胶、乳液、固体(颗粒、粉末)等,成分构成可以是一定质量浓度的单一化学结构物质,也可以是具有一定规格的多重组分化学物质混合物(包括合成高分子)、天然产物或植物提取物。
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Train Aerodynamics
train air conditioning
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train block system
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Train Control and Management System
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Train Doctor
Train Driver’s Son
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Training
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training and administration of archaeological personnel
training and pruning
training and training support of aircraft materiel
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training center of uban rail transit
Training Class for Art Leaders in the Countryside
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