Both free gas and dissolved gas play important roles in the reservoir-drive mechanism.

游离气或溶解气二者在储层驱动机理中都起着重要作用。

youdao

Maybe we should offer free gas for a year to people who buy a car before the end of the month.

也许我们应该向在本月底前买车的顾客提供免费加油一整年的优惠。

youdao

The near-term climate benefits of a global dash for sulphur-free gas may thus be smaller than might be expected.

如今全球正在争先恐后地开采无硫天然气，这种做法短期内也许不能像预期的那样显著改善全球气候。

youdao

So the Joule free expansion involves opening this valve and asking what happens when this gas moves into the other bulb or distributes between the two.

焦耳自由膨胀就是,打开阀门后的过程,气体从一个腔跑到另一个腔,并在它们之间平均分配。

麻省理工公开课 - 热力学与动力学课程节选

Tariffs for using utilities and the infrastructure are extremely low: local calls are usually free, gas prices artificially cheap and wholesale electricity costs about a tenth of the average European level.

ECONOMIST: Russia��s infrastructure

The industry has boomed in recent years, thanks to a stunning expansion of drilling in previously untapped areas because of the use of hydraulic fracturing, or fracking, which injects sand, water and chemicals to break apart rock and free the gas inside.

NPR: EPA Methane Report Further Divides Fracking Camps

Gazprom may have divided gas markets by hindering the free flow of gas across the EU and is being investigated for the possibility of preventing the diversification gas sources.

FORBES: Is Russia's Gazprom Gouging Europe?