矿山机车 meaning in English

mining locomotive

Mine cars ; tyres for mine locomotives
矿山轨道.矿山机车的轮箍
Lighting of mine locomotives ; position lamps ; design features , photometric requirements
矿山机车车辆的照明,定位灯,设计特征和光度要求
Lighting of mine locomotives ; head lamps ; design features , photometric requirements , meters and measurements
矿山机车车辆的照明.头灯.设计特点光度要求仪表