putty powder
柯林斯詞典
1. N a powder, either tin oxide or tin and lead oxide, used for polishing glassware, metal, etc (擦玻璃制品或金屬用的)氧化錫擦拋光粉
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1. N a powder, either tin oxide or tin and lead oxide, used for polishing glassware, metal, etc (擦玻璃制品或金屬用的)氧化錫擦拋光粉