“pulley”的概念、定义、翻译、参考文献-科学参考

单词	pulley
释义	pulley [`pu̇l·ē] ^{DESIGN ENGINEERING} A wheel with a flat, round, or grooved rim that rotates on a shaft and carries a flat belt, V-belt, rope, or chain to transmit motion and energy.
随便看	positive charge positive click adjustment positive clutch positive column positive correlation positive crystal positive definite positive derail positive-displacement compressor positive-displacement meter positive-displacement pump positive draft positive drive belt positive electrode positive electron positive element positive estuary positive feedback positive gene control positive glow positive-grid oscillator positive image positive interference positive ion positive-ion sheath

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。