“nonproductive sector”的概念、定义、翻译、参考文献-科学参考

单词	nonproductive sector
释义	nonproductive sector 非生产部门
随便看	soft-edge soft emplacement soften soft end softened softened dentine softened lead (脱除砷锑锡等杂质的铅) softened rubber softened water softened zone softener softener paste softening soften(ing) softening agent softening annealing softening furnace softening installation softening lead softening machine softening of the cell wall softening of water softening plant softening point softening-point test

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