The finishing process of the metal board ontractors is described, focusing on the pretreatment, electrophoresis process and energy-saving approaches during baking process.
介绍了拖拉机钣金件的涂装工艺，并着重介绍了前处理、电泳和烘干过程中的节能方法。
2
Hundreds of tractors will converge on the capital.