Point of operation guard.

点防护装置。

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Optimization and control in steelmaking zone is the key point of operation control in steel manufacturing process system.

炼钢区段的优化与控制是钢铁制造过程系统运行控制的关键。

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The employee must either remove or bypass machine guards or other safety devices, resulting in exposure to hazards at the point of operation;

工人必须拆除机器护罩或其他安全设施，或将其旁通，导致操作点处于危险之中；

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Bernanke then went on to insist that the view (which he did not identify as that of the Phillips curve, after a New Zealand economist of that name, by the way) had no credibility in point of fact and operation at any time throughout its period of doctrinal hegemony.

FORBES: Chairman Bernanke Buries the Phillips Curve: Bravo!

That is the point of the air operation.

ECONOMIST: Kashmir��s violent spring

On the second question, it is going to be -- the French and others agreed at NATO to have NATO take on the command and control of this operation at some point during, as I said, not days -- not weeks, but days.

WHITEHOUSE: Press Briefing