我没幻想过这里所有的东西都不含有害化学物质，但是摆脱所有有害物质并找到好的代用品是个缓慢的过程。
I am under no illusion that all of the items here are bad-chemical-free, but it is a slow process to get rid of everything and find good substitutes.
结果表明生物质燃油在理论上可作为柴油机的代用燃料。
As a result, the burning oil of biomass can be regarded as alternative fuel of engine in theoretical.
一种稻壳复合燃烧棒，其属于植物质燃料预处理和代用燃料领域。
The invention relates to a rice hull composite combustion rod and belongs to the field of plant fuel pretreatment and alternative fuels.
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