Apart from coal, the most important natural fuels are gas and oil .
除了煤以外，最重要的天然燃料是天然氣和石油。
Besides coal, the most important natural fuel are gas and oil.
除了煤，最重要的天然燃料是煤氣和石油。
"fossil fuels: coal, oil, and natural gas"
礦物燃料(煤、石油、天然氣)
A gaseous fuel, such as natural gas.
氣體燃料處于氣態(tài)的燃料，如天然氣
Wood, coal, oil and gas are different knids of fuel.
木材，煤，油和天然氣是不同種類的燃料。
compressed natural gas engine fuel system
壓縮天然氣發(fā)動機(jī)燃料系統(tǒng)
colorless gas found in natural gas and petroleum; used as a fuel.
一種無色氣體，見于天然氣中，用作燃料。
fossil fuels
(煤、石油、天然氣等)礦物燃料
clean fuels such as gas, liquified petroleum gas and natural gas
煤氣、液化石油氣和天然氣等清潔燃料
Development of Single Fuel-NQ190N Natural Gas Engine
NQ190N天然氣單燃料發(fā)動機(jī)的開發(fā)
Other materials used as fuel include fuel oil, powdered coal, natural gas, and so on.
其他可用作燃料的材料還有柴油、煤粉、天然氣等。
Optimal Control of Oil-gas Switch of CNG/gasoline Dual Fuel Engine
天然氣/汽油兩用燃料發(fā)動機(jī)燃料切換的優(yōu)化控制
Optimal Control Model for Fuel Switching in CNG/Gasoline Dual Fuel Engine
天然氣/汽油兩用燃料發(fā)動機(jī)燃料切換的優(yōu)化模型
The characteristics of alternate fuels, such as natural gas, liquid petroleum gas, hydrogen, dimethyl ether, alcoholic fuel, and biomass fuel, were introduced.
介紹了幾種車用清潔代用燃料——天然氣、化石油氣、能源、甲醚、燃料及生物燃料的特點(diǎn)。
A Life Cycle Analysis of Natural Gas Based Automotive Fuels
基于生命周期的天然氣基汽車燃料的分析
Natural gas will become the preeminent fuel of the 21st century, according to widespread expectation.
許多專家預(yù)測，天然氣將成為21世紀(jì)的主要燃料。
Study on Catalytic Materials of Natural Gas Catalytic Combustion Domestic Boiler;
家用天然氣催化燃燒熱水器催化材料的研制
Optimal Control of Oil-gas Switch of CNG/diesel Dual Fuel Engine;
天然氣/柴油雙燃料發(fā)動機(jī)油氣切換的優(yōu)化控制