“change gear”的概念、定义、翻译、参考文献-科学参考

单词	change gear
释义	change gear [`chānj ´gir] ^{MECHANICAL ENGINEERING} A gear used to change the speed of a driven shaft while the speed of the driving remains constant.
随便看	force pump force ratio force-time forcing forcing cone forcing fan forcipate forcipate trophus Forcipulatida ford fording depth fore forearm forearm circumference forearm length forebay forebody forebrain forebulge forecast forecasting forecastle deck forecast period forecast-reversal test forecast verification

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