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。

youdao

youdao

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