“coal ball”的概念、定义、翻译、参考文献-科学参考

单词	coal ball
释义	coal ball [`kōl ´bȯl] ^GEOLOGY A subspherical mass containing mineral matter embedded with plant material, found in coal seams and overlying beds of the late Paleozoic.
随便看	disk thermistor disk unit disk-wall packer disk wheel dislocation dislocation breccia dislocation line dismicrite dismount disodium hydrogen phosphate disodium methylarsonate disodium phosphate disodium tartrate disomaty Disomidae disophenol disorder disordered crystalline alloy disorientation dispatching dispatching priority dispenser dispenser cathode dispermy dispersal

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