“second category of commodities”的概念、定义、翻译、参考文献-科学参考

单词	second category of commodities
释义	second category of commodities 二类商品
随便看	copper rod copper roofing copper roofing sheet copper ruby glass copper sandoz copper scale copper scrap copper segment copper sheath copper-sheathed cable copper sheathing copper sheet copper shield copper shoe copper-silicon copper-silicon welding rod copper silmin copper silumin copper slab copper slate copper sleeve copper sludge copper-slug copper smelter coppersmith

科学参考收录了1248194条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。