“breast hole”的概念、定义、翻译、参考文献-科学参考

单词	breast hole
释义	breast hole [`brest ´hōl] ^METALLURGY A hole for raking cinders out of a smelting cupola.
随便看	sight-feed sight glass sighting sighting angle sighting bar sighting instrument sighting shot sighting station sighting system sighting tube sight leaf sight reduction sight-reduction tables sight rod sight tracking line sight unit sigma sigma algebra sigma bond sigma field sigma finite sigma function sigma hyperon sigma-minus hyperonic atom sigma phase

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。