轧件通过轧辊时尾端对导卫板的撞击或甩击镀锡薄板尾端出油面后的甩动甩尾
The impact or flapping of the tail end of the tinplate on the guide plate when the rolled piece passes through the roll, as well as the flapping of the tail end of the tinplate after it emerges from the oil surface
以上为机器翻译结果，长、整句建议使用 人工翻译 。