英语词汇“social improvement”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	social improvement
释义	social improvement短语¹⁴⁴⁹⁷²⁺²社会改良／进步
随便看	piping insulation piping integrated design piping jacket piping jelly piping joint piping layout piping line pip-ing line piping load pipingly piping machine piping-main scheme piping manifold piping material piping materials substitution piping mathematical layout piping mechanism piping mode piping network PIPING NETWORK PROJECTS UNDER CONSTRUCTION piping of downstream dam piping of soil and water piping oil piping opening piping orientation