电视塔的上一次改造在2002年，设备由电子管更新为晶体管。
The last transformation at the tower was done in 2002, when equipment was changed from tube to transistor.
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。
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.
要进一步提高纺纱质量，满足产品高品质、高档次要求，进行设备更新和技术改造、提高设备性能是关键。
Updating equipment, reforming technical and improving equipment performance are the key to improve spinning quality and fulfill high quality demand of products.
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