“unproductive expenditure”的概念、定义、翻译、参考文献-科学参考

单词	unproductive expenditure
释义	unproductive expenditure 非生产性支出
随便看	roll crushing roll crushing machine roll crushing mill roll curving roll cutter roll damper roll damping roll datum roll die roll displacement roll down roll down furnace roll down hem roll-down overedger roll-driving shaft roll eccentricity correction rolled rolled angle rolled asphalt rolled bar iron rolled beam rolled broken stone rolled cap roofing rolled compact rolled concrete

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。