芳烃抽提装置改造后抽余油产量提高，但抽余油系统没有配套改造。

The extracted oil output was increased after revamping aromatics extraction unit, but the raffinate oil system was not modified along with.

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为提高隧道掘进机后配套运输方案设计系统的能力和效率，提出了一种工程装备方案设计的混合求解方法。

To improve the capacity and efficiency of the design system of backup transportation scheme for tunnel boring machine (TBM), a new hybrid-solving method was proposed.

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