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在南京地区,△-Y自动切换装置首先是机械行业在金属切削加工设备上采取的节电新技术。南京市房管局砖瓦厂把这项新技术移植到生产砖瓦的机械上,也取得了节约用电的效果。
In the Nanjing area, the △-Y automatic switching device is first of all a new energy saving technology adopted by the machinery industry in metal cutting processing equipment. Nanjing City Housing and Construction Bureau brick and tile factory transplanted this new technology to the machinery that produces brick and tile, and also achieved the effect of saving electricity.