Chinese extract natural gas compound to prevent bleeding gums, slow periodontitis results are obvious.

天然复方中药精华，预防牙龈出血，减缓牙周炎效果显著。

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Japan will seek to extract natural gas from seabed deposits of methane hydrate, also known as "burning ice," in the world's first such offshore experiment, a news report said Monday.

一份新闻报告在星期一称，日本将设法从海床的甲烷水合物库存里开采天然气。“可燃冰”作为甲烷水合物在世界上第一次这样的离岸实验中的称呼也广为人知。

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It can extract more than 60% of the energy from the natural gas it burns; earlier generations seldom got above the mid-50s.

它可以有效汲取天然气燃烧热量的60%，而上几代产品能够达到55%左右的都很少。

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Lufkin manufactures pumps and lifts designed to help extract natural gas and oil from hard-to-reach reservoirs.

FORBES: GE Will Purchase Lufkin Industries For $3.3B. So What Exactly Is It Buying?

More than 500 residents near Bath have submitted objections against proposals to extract natural gas in the area.

BBC: Keynsham residents against natural gas extraction plans

Plans to extract natural gas from the ground near Bristol are to be delayed, the BBC has learned.

BBC: Keynsham fracking plans put on hold by UK Methane