“coal-tar pitch”的概念、定义、翻译、参考文献-科学参考

单词	coal-tar pitch
释义	coal-tar pitch [`kōl ¦tär ´pich] ^MATERIALS Dark-brown to black amorphous residue from the redistillation of coal tar; melts at 150°F (66°C); used as a thermoplastic.
随便看	opening die opening material opening pressure open interval open lake open lead open-link fuse open-loop control system open map open mapping theorem open n-cell open-packed structure open pack ice open-phase protection open-phase relay open-pit mining open-pit quarry open plan open plug open reading frame open resonator open roadstead open rock open routine open sand

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。