“valve-seat jacket”的概念、定义、翻译、参考文献-科学参考

单词	valve-seat jacket
释义	valve-seat jacket 气门座水套
随便看	Perthes' disease Perthes' test Perthess disease perthiocyanic acid perthitic texture perthosite per thousand per time unit pertinacious illness pertinax pertinency pertinency factor pertinent pertlle pinnutl pertmuational isomer per ton of dry matter produced pertrified wood pertrochanteric fracture pertucin pertungstate perturation method perturbance perturbation perturbation analysis perturbation calculus

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。