New York Mercantile Exchange (NYMEX) prices for February delivery of light, sweet crude oil stood at 51.88 U. S. dollars per barrel on Thursday, he lowest since May 2005.

上星期二纽约商业交易所二月份交货的轻质低硫原油价格维持在每桶51.88美元，这是自2005年5月份以来的最低价格。

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H-S precision with a match grade 7.62 barrel.

公司精密制造，配有7.62毫米高精度枪管。

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S. growth. Economists surveyed by The Wall Street Journal in early February said oil prices would have to get above $125 a barrel 'to threaten the U.

在2月初接受《华尔街日报》调查的经济学家称，油价只有在达到每桶125美元之后才会威胁到美国经济的复苏。

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Still, a number of things could go wrong from a fuse malfunctioning, a problem with the barrel's assembly to a round prematurely detonating inside the tube, he said.

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By 1498, craftsmen were cutting grooves directly into the metal of a weapon's barrel.

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