Mast laying down operation shall be guided by one commander, and the place where he stays shall be safe and within the driller's vision.

下放作业应在一名指挥的统一指挥下进行，指挥所处位置应在刹把操作者能直接看到并且安全的地方。

youdao

Aid workers have begun winding down their operation.

援助工作人员已开始逐步减少他们的工作。

《柯林斯英汉双解大词典》

That's what we'll have to do if I can't think of anything else, but it'll really slow down the operation.

如果我想不出别的办法我们就得这么做，但这确实会减慢手术的速度。

youdao

"The Tea Party movement is not a top-down operation.

VOA: special.2010.03.06

So I put my head down and focused on operation technology, focused on the user's experience, and I delivered.

我选择脚踏实地工作，专注于公司的运营，专注于提升用户体验，这一切我都做到了。

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选

"But the problem on the relief well is not simply drilling all the way down, it is also connecting it up, and that is a delicate operation that could take some time."

VOA: standard.2010.07.16

Are they shutting down this operation because they want to make that game themselves someday?

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Leach shut down the operation in 1996.

FORBES: The Opportunist

Bruce Clark believes Ullman could do worse than look to a competitor for guidance on scaling down its retail operation.

FORBES: How To Save J.C. Penney: Shut Hundreds Of Stores, Say Business Professors