| 1. | The composition of fossil fuels varies with source, type, and degree of refinement . 矿物燃料的成分随来源、种类和精选程度而变化。 |
| 2. | How long can we continue to supplement agroecosystems with energy derived from declining fossil fuel supplies ? 由于矿物燃料供应量下降,我们供应农业生态系统能量能持续多久? |
| 3. | Most of the energy sources used in our current technology are the fossil fuels that have been stored in the earth's crust for many centuries . 当代技术领域所使用的大部分能源是已经贮存在地壳内许多世纪的矿物燃料。 |
| 4. | Solid mineral fuels . determination of ash content 固体矿物燃料.灰分含量的测定 |
| 5. | Fossil fuel power plant boiler combustion controls 矿物燃料发电厂锅炉燃烧控制装置 |
| 6. | Liquid mineral fuels . properties of light fuel oil 液体矿物燃料.轻燃料油性能 |
| 7. | Fossil fuel power plant instrument piping installation 矿物燃料发电厂设备管道安装 |
| 8. | Liquid mineral fuels . properties of white spirit 液体矿物燃料.石油溶剂性能 |
| 9. | Solid mineral fuels . determination of moisture content 固体矿物燃料.水分含量的测定 |
| 10. | Solid mineral fuels - determination of ash fusibility 固体矿物燃料.灰分可熔性的测定 |