基本解釋[經(jīng)濟(jì)學(xué)]環(huán)形廻線電流計(jì)詞組短語短語endless s belt loop galvonometer 環(huán)形廻線電流計(jì)endless belt loop galvonometer更多詞組專業(yè)釋義經(jīng)濟(jì)學(xué)環(huán)形廻線電流計(jì)