“simple machinery”的概念、定义、翻译、参考文献-科学参考

单词	simple machinery
释义	simple machinery Encyclopedia 理学静力学释 simple machinery简单机械人类在劳动实践中最早创造的结构简单的机械，包括杠杆、滑轮、斜面、螺旋、尖劈等。
随便看	British National Corpus（BNC） British national Examination System of Occupational Safety and Health Level British National Film and Television School British National Media Museum British National Portrait Gallery British North America Act，1867 British Nuclear Energy Conference British Nuclear Energy Society British Nuclear Laboratories British Office of Communications British Office of Rail Regulation British Open British Open (snooker) British Parliament British Periodicals up to the Early 19th Century British Photography British planning act British Polo Professional League British Public Record Office British Royal Philharmonic Orchestra British Rural Cinema Pilot Scheme British Sky Broadcasting British Sky Broadcasting,BSkyB British Social Democratic Federation British Social Democratic Party

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