Regular servicing guarantees the smooth operation of the engine.

定期维修可保持发动机的顺畅运转。

《牛津词典》

Recommended steps for smooth operation

为了平稳运行推荐的步骤

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The important point is to keep test assets in a separate folder or folders and not in the project root for smooth operation.

关键是测试资产应放在不同的文件或文件夹中，而不是项目的根目录中。

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We are still trying to restore the mechanics of the geopolitical system to smooth operation in the most difficult conditions.

ECONOMIST: By invitation: Iraq

The Jetpatcher does all this in one smooth operation, then moves on to the next pothole as traffic resumes its path over the newly repaired road.

BBC: Jetpatchers at work

Promote smooth operation of payment systems that link banks.

BBC: EMU fast facts