The extracted oil output was increased after revamping aromatics extraction unit, but the raffinate oil system was not modified along with.
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。
2
The unit load system is a two-input and two-output multivariable plant with coupling and inertia.
单元机组负荷系统是具有耦合的两输入两输出多变量系统，具有较大的惯性。
3
The control unit of dynamic balancing system is calibrated through theoretical computation and output simulation, solving calibrating difficulty for lack of equipments.