petroleum refining catalysts
英 [pəˈtrəʊliəm rɪˈfaɪnɪŋ ˈkætəlɪsts]
美 [pəˈtroʊliəm rɪˈfaɪnɪŋ ˈkætələsts]
【化】石油炼制催化剂
双语例句
- Waste water with high pH value and high silicate content, discharged during the course of production of petroleum refining catalysts has been studied.
对石油化工催化剂生产过程中排出的高pH的硅酸盐废水的处理进行了研究。