“ball coal”的概念、定义、翻译、参考文献-科学参考

单词	ball coal
释义	ball coal [`bȯl ´kōl] ^GEOLOGY A variety of coal occurring in spheroidal masses.
随便看	flameholder flame ionization detector flame laser flameout flame photometer flame photometry flame plate flame plating flame propagation flame repellent flame retardant flame-retarded resin flame spectrometry flame spectrophotometry flame spectrum flame speed flame spraying flame straightening flamethrower flame trap flame treating flamingo flammability flammability limits flammable

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。