1) lower head
底封头，下封头
2) bottom head
(压力容器)下封头，底封头
3) bottom head
底封头
1.
Through analyzing the cause of the accident that the bottom head of 50m~3 carbon steel fermentation vessel, which has been used 6 years for production of erythromycin, was ruptured, the reform method was proposed based on the principle of equal long life.
通过对运行了6年的红霉素50m~3碳钢发酵罐底封头早期破坏情况的现象和原因分析,按照等寿命原理提出了改造方案。
5) LP bottom head
低压底封头
6) Lower head failure
下封头失效
补充资料：头底
1.底细。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条