“plug changer”概念、定义、翻译-科学时代

单词	plug changer
释义	矿业工程技术词汇手册 plug changer 换顶头装置
随便看	price incentive price including commission price increase price index price index price index price index price index price index price index price index price indication price indication price indication price-inelastic demand price inflation price information price in reason priceite price jacking price-jacking price leader price leader price leader price leader

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。