“pressure vacuum valve”的概念、定义、翻译、参考文献-科学参考

单词	pressure vacuum valve
释义	pressure vacuum valve Encyclopedia 工学锅炉阀门释 pressure vacuum valve压力真空阀维护压力容器气压平衡，减少介质挥发的安全节能装置。由压力阀和真空阀两部分组成。又称呼吸阀、PV阀。
随便看	Empiricist Theories of language acquisition empiric variance empirio-criticism employ Employability employed population employee employee assistance program Employee Behaviors employee benefit Employee benefits design Employee Development Employee Director employee involvement employee lifecycle management employee relations Employee remuneration employee safety behavior employee scheduling employees' involvement of democratic management of enterprises Employees Leaving the Lumière Factory Employee Stock Ownership Plan Employee Supervisor Employee turnover employer

科学参考收录了854744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。