“step-down transformer”概念、定义、翻译-科学时代

单词	step-down transformer
释义	物理学词汇手册 step-down transformer 降压变压器
随便看	hand won face handwork hand-woven cloth handwriting handwriting handwriting handwriting analysis handwriting recognition handwritten book hand-written document handwritten form handwritten input handwritten newsletter handy handybilly handy carry case handy cutter handy digital tachometer Han Dynasty handy pod handy-size clean carrier handy-sized bulk carrier handy-size dirty carrier hanfangchine Han Feizi

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。