求翻译：　　　天冠沼气电厂接入系统方案一次部分投资估算见下表，表中所列投资为典型估算，仅供比较方案使用，实际投资以工程设计、概预算和设备招标为准。本节估算不含天冠沼气电厂内部电气投资。是什么意思？

The Tianguan biogas power plant access system program once part of the investment to estimate the table below, the investments listed in the table as a typical estimate, only the ICP, the actual investment in engineering design, none of the budget and equipment tender shall prevail. This section est

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Tianguan biogas power plant a part of investment estimation scheme of connecting see table below, investment for the typical estimate listed in the table, only for use by the ICP, the actual investment in engineering design, budget and equipment tenders shall prevail. Estimates in this section does