“preferred parts list (PPL)”的概念、定义、翻译、参考文献-科学参考

单词	preferred parts list (PPL)
释义	preferred parts list (PPL) 选用零件表
随便看	Opperman source Oppolzer's sign opponens opponent opponent-colors theory opponent firm opportune thinning opportunist opportunistic diseases opportunistic infect opportunity cost opportunity cost of value opportunity for advancement opportunity industry opportunity time oppose an action opposed opposed-balanced reciprocating compressor opposed-blade damper opposed compressor opposed current opposed cylinder opposed-cylinder engine opposed-engine opposed firing

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。