Especially introduce process philosophy, flow sheet, rehabilitation scheme and technical route of Liaohe vis-breaking cracking unit.
重点介绍辽河减粘裂化装置的工艺原理、流程和改造方案及技术路线。
Optimal scheme may be obtained by value analysis on production process of polypropylene unit to raise productivity and lower the consumption.
通过对聚丙烯装置的生产工艺进行价值分析，得到最优工艺方案，可提高劳动生产率，降低成本。
The structural scheme, design process, used cooling technologies, components features and relevant tests of cooling device for TSD09 tilting diesel multiple unit were described.
介绍了TSD09型摆式动车组冷却装置的任务来源、设计过程、冷却装置结构方案、运用的冷却技术、部件特点以及相关试验。
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