“roof bolt”的概念、定义、翻译、参考文献-科学参考

单词	roof bolt
释义	roof bolt [`rüf ´bōlt] ^{MINING ENGINEERING} One of the long steel bolts driven into walls or roofs of underground excavations to strengthen the pinning of rock strata.
随便看	geostrophic deviation geostrophic distance geostrophic equation geostrophic equilibrium geostrophic flow geostrophic flux geostrophic vorticity geostrophic wind geostrophic-wind level geostrophic-wind scale geosynchronous satellite geosynclinal couple geosynclinal cycle geosynclinal facies geosyncline geotaxis geotechnics geotechnology geotectogene geotectonic cycle geotectonics geotextile geotherm geothermal geothermal energy

科学参考收录了103327条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。