“headblock”的概念、定义、翻译、参考文献-科学参考

单词	headblock
释义	headblock [`hed´bläk] ^{MINING ENGINEERING} 1. A stop at the head of a slope or shaft to keep cars from going down the shaft or slope. 2. A cap piece.
随便看	put putlog putrefaction putty putty knife putty oil puy pv PVA PVAc PVC PVDC PVI PVM PVP pW P wave PWI PWR pwt pyarthrosis pycnidiospore pycnidium pycniospore pycnite

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。