Pay attention to correct alignment and profiles of work and back up rolls.

注意工作辊支承辊的之间的配合和轮廓的设计。

youdao

The code in Listing 3 performs initialization, performs some work, completes the transaction if everything was successful, rolls back otherwise, and finally cleans up resources.

清单3中的代码执行初始化，执行一些工作，如果一切顺利，则事务完成，否则会回滚，并最终会清空资源。

youdao

Then, an hour later, the garage door rolls back up, car full of family pulls into the garage and the garage door rolls back down.

然后，一小时之后，车库门打开，汽车开进车库内，车库门关上。

youdao

More evidence rolls in today to back this idea up.

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As legend has it, he was walking back from a show in 2011 when a Rolls Royce drove up beside him.

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First, I open an Omniture report that rolls up numbers every 15 minutes all the way back to whenever.

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