“大小头”的概念、定义、翻译、参考文献-科学参考

单词	大小头
释义	大小头 concentric reducer transition pipe reducer (RE)
随便看	anchor palm anchor pier anchor pile anchor pin anchor pin cam anchor pin slot anchor plate anchor point anchor post anchor prop anchor relay anchor rim anchor ring anchor rod anchor root anchor rope anchor screw anchor shackle anchor shank anchor shoe anchor shoes anchor slab anchor span anchor stake anchor station

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。