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来源：雅诚德英语网
The quality of the haulage road in a large-scale open pit directly affects the operating costs and haulage efficiency of the trucks.
大型露天矿运输道路质量的好坏直接关系到矿用汽车运行成本和运输效率。
The quality of the haulage road in a large-scale open pit directly affects the operating costs and haulage efficiency of the trucks.
大型露天矿运输道路质量的好坏直接关系到矿用汽车运行成本和运输效率。