以三甲苯精密精馏过程为实施案例，对多塔分离过程提出了热集成节能工艺。
Taking trimethylbenzene precise distillation for example, a new heat integration technology for energy saving was put forward.
专注精密五金加技术的提升，不断改善生产工艺，提高产品质量，以满足客户要求。
Focus on upgrading of precision metal processing technology, and continuously improve the production technology, improve product quality to meet customer requirements.
以硅溶胶型壳熔模精密铸造的工艺过程分析为基础，提出了铸件成本和价格的计算方法。
Calculation method of cost and price of investment castings was given based on analysis of sol silicate mold shell investment casting process.
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