quartz-fiber electroscope【电子】;quartz-fibre electroscope【电子】;
验电器，静电测量器
electroscope
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相关词条
quartz-fiber electroscope
glod leaf electroscope【电】
automatic recording electroscope【电】
self-recording gold-leaf electroscope【电】
electroscope
fold leaf electroscope
curie electroscope