“jack screw”概念、定义、翻译-科学时代

单词	jack screw
释义	动力与电气工程词汇手册 jack screw 螺旋千斤顶，起重螺旋
随便看	wordplay word problem word processing word processing word processing word processing word processing word-processor word processor word root word-root repeat word salad words and figures differ word scenery word search word segmentation word segmentation system word sign words in colour method word-slinger wordsmanship wordsmith words of art words of exemption words of inheritance

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。