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- A chemical derived from petroleum or natural gas. 石油化學製品從石油或天然氣中提煉出的化學產品
- A severe natural gas shortage shut down many plants. 天然氣的嚴重缺乏使許多家工廠都停工了。
- They continued down until they came to some pockets of natural gas. 他們繼續往下鑽，終於找到了一些天然氣的氣阱。
- Ten dollars' worth of natural gas; wanted their money's worth. 值十美元的天然氣; 需要它們的貨幣價值
- A gaseous fuel, such as natural gas. 氣體燃料處於氣態的燃料，如天然氣
- The pipeline conveys natural gas to the Midwest. 管道將天然氣輸送到中西部。
- Where are oil and natural gas found in Britain? 在英國哪裡發現了石油和天然氣?
- Shizhu County Natural Gas Chemical Facto. 石柱縣天燃氣化工廠。
- Refined oil, the natural gas market supply stable. 成品油、天然氣市場供應平穩。
- BIOMOL offers a library of over 500 highly purified natural products of known structure including many compounds from ethnopharmacology. BIOMOL提供500多種已知分子結構的高純度的自然產品，包括一些來自民族醫藥的成份。這些成份都溶解於DMSO（二甲亞碸）中。
- Natural Gas Hydrate: the savior of energy crises? 可燃冰:能源危機的拯救者?
- Has natural gas been found in this area? 這個地區發現天然氣了嗎?
- Natural gas will be the first to run out. 天然氣將首先被用完。
- The technological process and condition of using the high-quality purified natural clinoptilolite to synthesize 4 zeolites hasprovided a new combined material. 本文利用優質的純化天然斜發沸石，研究得出了純化天然沸石會成4沸石的工藝路線及工藝條件，為4沸石的合成提供了一種新原料。
- Natural gas is often present in the reservoir rock. 儲油岩中常有天然氣。
- Exports: crude oil, natural gas, refined products. 出口:重油;天然氣;精鍊產品.
- A well or drilling that yields natural gas. 一種產天然氣的井或鑽井
- The production or natural gas declined slightly. 下傾，下降；衰退，衰落；謝絕，拒絕
- The output of natural gas ballooned. 天然氣產量迅速提高。
- Encana's main business is natural gas, is it right? 它曾經以產氣為主，區塊大部分是氣田。近年來，也搞些輕油和重油。
