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The invented stopper is composed of slide oil cylinder, piston rod units and outer housing.

一种铁路全液压制动顶，由滑动油缸，活塞杆组件，及外壳组成。

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The slide in global shares came as oil approached $100 a barrel – though it fell back sharply – and the dollar set a record low of $1.4856 against the euro and $1.1025 against the Swiss franc.

全球股市的下跌，正值原油价格逼近每桶100美元（尽管已大幅回落），以及美元兑欧元和瑞士法郎汇率分别跌至1.4856美元和1.1025美元的创纪录低点之际。

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Global stock markets are enjoying the continuing slide in oil prices.

FORBES: Magazine Article

The firm blamed the slide largely on lower oil prices - compared with a year before - a 70% slump in North American gas prices and the toughest refinery and product sales markets "since the mid-1980s".

BBC: Bad news cocktail hits Exxon profits

And we'll just have to see in the coming days whether that does halt the slide of the price of oil.

NPR: OPEC Cuts Production To Stem Drop In Oil Prices