The nitric acid three plunger pump seal box structural design is unreasonable, creates seals easily to expire, seriously affected and restricted the straight niter instrallation production.
英
美
- 摘要硝酸三柱泵密封结构设计不合理,造成密封易失效,严重地影响和制约了直硝装置浓硝酸的生产。