dāng dì / zhèng zài / jiàn shè / méi gān shí / zōng hé / lì yòng / xiàng mù / yǐ / jiǎn shǎo / kuàng qū de / gù tǐ / fèi wù

当地正在建设煤矸石综合利用项目，以减少矿区的固体废物。

The local government is developing a comprehensive coal gangue utilization project to reduce solid waste in the mining area.