“service shaft”的概念、定义、翻译、参考文献-科学参考

单词	service shaft
释义	service shaft [`sǝr·vǝs ´shaft] ^{MINING ENGINEERING} A shaft used only for hoisting men and materials to and from underground.
随便看	effective aperture effective area effective atmosphere effective bandwidth effective capacitance effective center effective confusion area effective current effective decline rate effective discharge area effective dose 50 effective earth radius effective energy effective exhaust velocity effective facsimile band effective field intensity effective firing time effective force effective fragment effective gun bore line effective gust velocity effective half-life effective height effective horizon effective horsepower

科学参考收录了103327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。