rheostat
noun [ C ] physics specialized uk/ˈriː.ə.stæt/ us/ˈriː.oʊ.stæt/
变阻器
a device used to control and change the flow of electric current through a machine such as an electric light
江苏热线英汉汉英双解词典包含207361条英汉翻译词条,涵盖了常用英语单词及词组短语的翻译及用法,是英语学习的必备工具。