【建筑工程】返回垃圾填埋技能操作员轮式装载机MATADOR ML50-1推铺岩土过程

https://www.youtube.com/watch?v=HCBWB5pymKA&list=LL&index=5
Back Landfill Skills Operator Wheel Loader MATADOR ML50-1 Pushing Spreading Rock Dirt Process