“sand mould casting”概念、定义、翻译-科学时代

单词	sand mould casting
释义	矿业工程技术词汇手册 sand mould casting 砂型铸造
随便看	negative proton negative pulse negative pulse negative punishment negative question negative raising negative reactivity negative reciprocity negative reciprocity negative reference group negative reinforcement negative reinforcement negative reinforcement negative reinforcement negative reinforcement negative relationship negative release wave negative report negative reserve negative resistance diode negative role negative salvage value negative sanction negative sanction negative savings

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。