Enviko's Weigh-in-Motion pab txhawb rau lub nroog ntse ntawm Tianquan

Enviko's Weigh-in-Motion (WIM) kev tswj hwm tam sim no tau tsim los ntawm txoj kev zoo nkauj National Highway 318 nyob rau sab hnub poob Sichuan, pab txhawb rau kev tsim kho lub nroog ntse hauv Tianquan County.