电网

shēng jí diàn wǎng

升级电网

upgrade power grid

guó jiā diàn wǎng

国家电网

the national grid

gǎi shàn diàn wǎng

改善电网

improve electricity grid

gāo yā diàn wǎng

高压电网

high voltage fence

zhù qǐ yī dào diàn wǎng

筑起一道电网

build an electric fence