“jim crow”的概念、定义、翻译、参考文献-科学参考

单词	jim crow
释义	jim crow [`jim `krō] ^{DESIGN ENGINEERING} A device with a heavy buttress screw thread used for bending rails by hand.
随便看	words per minute word time word wrap work workability work angle work assembly work breakdown structure work cycle work design worked-out worked penetration work element worker work file work function work hardening working working area working electrode working envelope working life working load working place working point

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。