hydrogenating catalyst
英
美
- 加氢催化剂
双语例句
- This technology is very useful for decreasing the time of hydrogenation catalyst presulfurization and the equipment eroding as well as pollution.
该工艺对缩短加氢催化剂的预硫化时间，减少调备腐蚀和环境污染，具有非常积极的意义。
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