【建筑工程】完美的机器在行动！ 重型轮式装载机将数十种岩石泥土撒入水中

https://www.youtube.com/watch?v=jNQn_50_bhQ&list=LL&index=2&t=7s
Perfect Machine in Action !! Heavy Wheel Loader Spreading Rock Dirt with Dozen In To Water