because of operational needs
因为运营需要
以上为机器翻译结果，长、整句建议使用 人工翻译 。
In addition, the existing capacity also needs refurbishment because, as it stands today, a quarter of Africa's installed power generation capacity is not operational.
此外，需要对现有发电设备进行更新改造，因为目前非洲有四分之一的装机容量并未投入运营。
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