GB/T 33514-2017钢丝绳芯输送带钢丝绳横向和垂直位移的测定国家标准
英文:Steel cord conveyor belts—Determination of the lateral and vertical displacement of steel cords GB/T 33514-2017介绍: 国家...
英文:Steel cord conveyor belts—Determination of the lateral and vertical displacement of steel cords GB/T 33514-2017介绍: 国家...