“导程角--提前角--螺纹升角”概念、定义、翻译-科学时代

单词	导程角--提前角--螺纹升角
释义	机械工程词汇手册 lead angle 螺纹升角，导程角；提前角
随便看	fast fast Fast Access Memory Fast Access Memory (FAM) Fast Access Memory--Fast Access Memory (FAM) fast-acting fuse fast acting fuse fast ancient standardization fast as can fast atomic beam fast attack craft fast auxiliary memory fastback fast-back binding fast beating fast-bodying oil fast brand fast-breaking crisis fast-breaking story fast breeder fast breeder fast breeder reactor fast breeder reactor power plant fast breeder reactor （FBR） fast ceramic reactor

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

lead angle