集装箱、车辆和公共汽车车体之类的大型制件油漆前表面的预处理是一项复杂和繁重的作业。这些大制件实际上不可能在喷洗室或者浸洗池内进行脱脂处理。所以表面预处理作业是手工进行的,即用浸有有机溶剂的布头(碎布)擦拭。例如加里宁车辆制造厂就是用这种方法进行车辆表面脱脂的。这种方法既费力又有爆炸和火灾危险。所以就提出了用更完善和 Large parts such as containers, vehicles and bus bodies Pretreatment of the paint front is a complicated and demanding operation. These large parts are virtually impossible to degrease in the spray booth or dip pool. Therefore, the surface pretreatment work is carried out manually, that is, soaked with organic solvent cloth head (rags) wipe. For example, Kaliningrad car factory is in this way the surface of the vehicle degreasing. This method is laborious and dangerously explosive and dangerous. So I put forward the use of more perfect and