All material used for pressure parts shall be killed steel.
压力部件所有的所有材料均应为脱氧钢。
The design of regulating power timer being used for pressure steam disinfecting apparatus is discussed in this article.
本文给出了用于控制高压蒸汽消毒器的调功定时器的设计方案。
The use of automatic hydraulic operation, which can be used for pressure relief valve can also be used as a holding pressure valve.
利用水力自动操作,即可以作泄压阀用又可作持压阀用。
应用推荐