“shifting block”的概念、定义、翻译、参考文献-科学参考

单词	shifting block
释义	shifting block 拨头
随便看	green brickwork green budding green budwood Greenburg-Smith impinger green camera tube green cancer green casting green cataract green cathode green cell green chain green chalcedony green chloroplast green clause green clause credit green clause letter of credit green cochlid green coffee green coke green compact green compression strength green cone cells green conveyor green copperas green core

科学参考收录了1248194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。