使用开表器时，可先将后盖向旋紧的方向稍微拧一下，再向旋松的方向拧。

Use a meter, the first cover to tighten slightly in the direction of twist, to loosen the direction of twist.

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他说：“在没有我们战斗部队的撤军时间表的情况下，我们是在不断给伊拉克领导人开空头支票，而不是向他们施压、要求他们调和内部分歧。”

"In the absence of a timetable to remove our combat brigades, we will continue to give Iraq's leaders a blank check instead of pressing them to reconcile their differences," he said.

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同样的，据2010年1月发表的一篇研究推测，在过去10万年间，海平面的涨落，使白令海峡交替开合。

Likewise, a study published in January 2010 concluded that, over the past 100, 000 years, rising and falling ocean levels alternately opened and closed the Bering Strait.

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