求翻译：　　　带材离开炉子后进入张紧机，转向到二层平台，经过对中装置转向后送至底漆辊涂机。辊涂机正反面可用同一种涂料或不同种涂料，同时对带材两面进行涂层，涂料由取料辊从漆盘取出，旋转涂敷到辊涂辊上，再由辊涂辊涂到带材上，辊涂辊可与带材运行方向相反转动（逆向涂）或与带材运行方向相同转动（同向涂）正反面两套涂布头都有气缸驱动的离合装置，在接头通过时可以打开。辊涂时及辊涂与固化间的流平段，有废气（G2、G3）产生，主要污染物为环己酮。是什么意思？

Strip after leaving the furnace into the tensioning machine, turning to the two-story platform, after the the steering centering device sent primer roller coater. Sides of the roll coater is used with a coating or different kinds of coatings, on both sides of the strip material at the same time for

After leaving stoves with supplies to the tension, turn the layer 2 platform is the device to transfer to the base roll coating. Roller coating machine is back with a paint can or a different kind of paint, while both sides with supplies, paint coating roller by the paint is removed from the coat, p