It is pointed out that the plugging and freezing of breather valve, variation in parameters and operation conditions of oil tank and human factors result in the shrink of oil tank.

指出导致油罐抽瘪的主要原因是呼吸阀堵塞和冻结、油罐参数和工艺条件发生变化以及操作失误等。

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For deficiencies of its structure, the previous breather valve with fire protection is not suitable for installing on light oil storage tank at cold area.

原使用的轻质油储罐防火呼吸阀，由于结构缺陷，不宜使用于寒冷地区储油罐上。

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So we may have a breather to think about how oil should figure into our investing regimens.

FORBES: A Shield Against The Next Oil Shock

The big worry is that Russia has failed to use the breather it gained from high oil prices and devaluation.

ECONOMIST: The country may get poorer, again

With the US debt bubble still firmly in place, Dietrich says investors should expect oil, commodities, gold and precious metal prices to rise again later this fall after taking a breather over the summer.

FORBES: No "Double Dip", But Gold Seen Rising as US Debt Woes Persist