... electric multipole radiation 电多极辐射 electric null 零电压 electric operated mucking machine 电动开挖机[运碴机] ...
基于12个网页-相关网页
ratio recording electric-null system 电比率记录式光学零位平衡系统 ; 电比率记录式电学零位平衡系统
double beam electric-null infrared spectrometer 双光束电零点红外分光计
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