“crown pulley”概念、定义、翻译-科学时代

单词	crown pulley
释义	矿业工程技术词汇手册 crown pulley 凸面滑轮；天车滑轮
随便看	electron electron electron electron absorption coefficient electron accelerator electron accelerator electron accelerator electron accelerator electron acceptor electron admittance electron affinity electron affinity electron affinity electronarcosis electron-assisted CVD electron assist HFCVD electron asymmetry electron atomic mass electron aurora electron avalanche ionization electron beam electron beam electron beam electron beam electron beam

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。