top n.顶部；顶；上面；极点；陀螺adj.最高的；顶端的vt.形成顶部；达到…的顶端；处于…的最前头vi.总结；超越；高耸；结束
working adj.做工作的；劳动的；工作上的；初步的；暂定的；基本够用的；起作用的n.矿；作业区（复）workings：运作；工作方法.
双语例句
The application results show that the distribution of roll contact pressure was meliorated, and the life of the backup roll was improved. 结果表明，优化后的辊型曲线改善了辊间压力的分布情况，降低了轧制末期工作辊边部对支撑辊的磨损，提高了支撑辊轧制质量。
