天然气（natural gas）
煤成气（coal derived gas)是天然气。
If you have a liquefied flammable gas barge in tow，which is NOT required of you with respect to the barge and its cargo? （）
As some countries attempt to shift away from natural gas or petroleum energy systems toward coal-based systems, the need for coal slurry(煤泥) will increase in these countries,（）transport mode will be the first choice for transfer this kind of product.
按（）将液化气分为液化石油气、液化化学气、液化天然气。
天然气(含甲烷，液化的)，别名液化天然气，天然气____。
The weight of liquefied petroleum gas vapors as compared to air is（）.
天然气（含甲烷，液化的），别名液化天然气，天然气（）。
A fire of escaping liquefied flammable gas is best extinguished by（）.
天然气在常压绝对温度111K（-162℃）液化，即变为液化天然气（LNG），液化后体积缩小到（）左右，液化天然气升温气化后即为普通天然气。
压缩天然气，液化天然气，液化石油气的英文简称（）
When fighting fires in spaces containing bottles of LPG (liquefied petroleum gas)，you should （）.
Natural gas was discovered in Britain in the（）
天然气化工的英文翻译为Gas Chemical Industry。
The primary hazard of liquefied petroleum gas and liquefied natural gas is（）.
北京公交车所用液化天然气（Liquefied Natural Gas）主要成分为（）
天然气液化输送，是将油气井采出的天然气在液化厂（）使之液化。
液化天然气船专门用于运输液化天然气，他又属于下列那种液化气船（）。
按()将液化气分为液化石油气、液化化学气,液化天然气
压缩天然气(Compressed Natural Gas,简称CNG)是天然气加压(超过3,600磅/平方英寸)并以气态储存在容器中，它与管道天然气的组分相同，CNG可作为车辆燃料利用。
________ are a specialized means of shipping petroleum, natural gas, and chemicals from sources to markets.
Many countries are increasing their use of natural gas, wind and other formsOf _________.
天然气的主要输送方式The main transportation mode of natural gas：管 道（陆上唯一经济方式) Pipeline （the only economic way on land).
Claire Jones, CFA, is an analyst following natural gas companies in the United States. At an industry energy conference, the chief financial officer of Alpine Energy states that the company is interes
