We ran out of coal, and had to burn wood.
煤烧完了，只好烧木头。
They use biomass fuels like wood, crop waste, animal waste or coal.
他们使用木材，作物废料，动物废料或煤炭等生物燃料。
These would work by co-firing (burning a mixture of) wood and coal.
而这需要通过共燃（燃烧混合的）木材与煤来实现。
Wood, coal and oil are different kinds of fuel.
木头、煤炭和石油是不同类型的燃料。
Wood, coal, oil and gas are different forms of fuel.
木柴，煤炭，油和煤气是各种不同的燃料。
These are made from coal, glass, petroleum, milk and wood.
它们是由煤、玻璃、石油、牛奶和木材制成的。
煤、木柴和石油是燃料。
Gas and electric ranges have replaced the coal and wood range.
煤气灶和电灶已取代了燃煤和木柴的炉灶。
Wood , coal, oil and gas are different kinds of fuel.
木柴、煤、油和煤气是不同类型的燃料。
Do you burn coal as well as wood on this fire?
你是不是用煤也用木头生这炉火？
Coal, oil, wood and gas are fuels.
煤炭，石油，木柴和煤气都是燃料。
你可以用木柴来取代煤。
The most common of these are wood, coal, lignite, and coconut shell.
其中最常见的有木材，煤，褐煤，椰子壳。
Man can make heat by burning wood, coal and gas.
人可以用燃烧柴，煤，煤气的办法产生热量。
Coal, oil, wood and gas are fuels.
煤炭，石油，木料和煤气都是燃料。
It has found that wood and charcoal are more reactive than coal.
它发现，木材和木炭超过煤炭反应。
We ran it on sawdust, cubed wood, coffee grounds and coal dust.
我们跑它木屑，立方木材，咖啡的理由，煤尘。
Plastics was at first based on coal and wood.
最初塑料是从煤和木材中提取的。
We have run out of coal and have to burn wood.
我们的煤烧完了，只好烧柴了。
We have run out of coal and have to burn wood.
我们的煤烧完了，只好烧柴了。
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