zhè tào / kòng zhì xì tǒng / lì yòng / diàn yì / qiē huàn / diàn lù / néng / jiǎn shǎo / rén gōng / cāo zuò

这套控制系统利用电驿切换电路，能减少人工操作。

This control system uses a relay to switch circuits, reducing the need for manual operation.