levelling machine是什么意思 levelling machine怎么读
levelling machine的用法和样例
- Our main product is fully automatic machine Chuang, the take-off and landing vehicle, the pressure-core machine, Cutaway machines, drilling machines Postpress equipment.
我们的主导产品是全自动闯纸机，升降车，书芯压平机，切角机，打孔机等印后加工设备。
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