聚四氟乙烯波纹补偿器通用技术条件 meaning in English
general specification for polytetrafluoroethylene bellows compensators
Examples
- General specification for polytetrafluoroethylene bellows compenstors
聚四氟乙烯波纹补偿器通用技术条件
general specification for polytetrafluoroethylene bellows compensators