During transmission line construction, sag observation is an important control item of stringing.

在输电线路施工中, 弧垂观测是架线分部工程中重要的控制项目.

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The is a news control item and should not be moved outside the Outbox.

这是新闻控件项,不应该移到“发件箱”外.

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For actions panes, add an Actions Pane Control or User Control item to the project.

对于操作窗格, 请向项目中添加“操作窗格控件”或“用户控件”项.

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