Road construction and maintenance equipment . on - site calibration and verification of the settings of the continuous dosing apparatus of material production plants . part 4 : dry bulk weighing dosing machine . belt sampling test 道路建设及维护设备.材料生产厂连续配制设备的现场校正及检验.第4部分:干重计量机.传动带抽样试验
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Road construction and maintenance equipment . on - site calibration and verification of the settings of the continuous dosing apparatus of material production plants . part 5 : dry bulk weighing dosing machine . substance weighing test 道路建设及维护设备.材料生产厂连续配制设备的现场校正及检验.第5部分:干重计量机.材料重量试验