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- Based on analysis of resource influencing seriously surface quality of plate via feeding roller of DA decoiler line, a new technology of home-made active roller has been put forth and applied successfully to production of car body stamping. 分析了da开卷线进口送进辊严重影响板料表面质量的根源及送进辊的工作原理和工况，提出了主动辊国产化的新工艺，并成功地在富康车身冲压件的生产中得到了应用。
- The orient has been playing an active role in the world economy. 亚洲一直在世界经济中发挥积极作用。
- The ride on the roller coaster dizzied us. 乘坐云霄飞车使我们头晕。
- He is an active member of the school's stamp club. 他是学校集邮俱乐部的一名活跃会员。
- May I borrow your roller skates? 我可以借你的旱冰鞋吗？
- An active volcano may explode at any time. 活火山随时都有可能爆发。
- Clattering along on roller skates. 踩着轮式溜冰鞋行进
- Is it wise to engage in active sports at your age? 我这样的年纪积极参加体育活动是否明智？
- She was active as a left-winger in the party. 她是党内积极的左翼分子。
- He was very active and rode down several horses. 他劲头很大，一连骑了好几匹马。
- She plays an active part in local politics. 她积极参与地方政治活动。
- A road roller is used in making and repairing roads. 压路机是用来修筑道路的。
- The steel market will continue to be active. 钢材市场将会继续保持活跃。
- An active volcano may erupt at any time. 活火山随时可能喷发。
- He was disabled when on active service. 他在战斗中受伤致残。
- A steel tube or wooden roller on which the warp is wound in a loom. 卷轴织机上的铁管或木轮，供经线缠绕之用
- Ms. Brown is active in the party. 布朗女士在晚会上很活跃。
- The active boy was extremely distractible. 那好动的男孩极不专心。
- His lame foot disqualified him for active work. 跛脚使他无法参加积极活动。
- He's very active for an elderly man. 作为老年人，他是非常活跃的。
