scheme investigation and evaluation
scheme investigation and evaluation
方案调查与评价
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Through investigation on light ends plants under SINOPEC, basic views and solutions to the problems such as process scheme, equipment evaluation on design levels of the units were proposed.
通过对中国石化总公司系统内气体分馏装置的调查分析，就其工艺流程、设备及装置设计水平评价等问题，提出了一些初步看法以及解决方案。
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