“pitch diameter”概念、定义、翻译-科学时代

单词	pitch diameter
释义	机械工程词汇手册 pitch diameter 节径；中径
随便看	aporphin aport aporusa aposaturnium aposelene aposematic colouration aposematism aposento aposia aposiopesis aposiopesis aposiopesis aposiopetic apositia APO1 (Andean Pact Organization) APO2 (Asian Productivity Organization) apospory apospory apospory apostasia apostasy apostate a posteriori a posteriori a posteriori

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。

pitch diameter