基本解釋[能源科學技術]長臂圓規(guī)[經(jīng)濟學]長臂圓規(guī)詞組短語短語beam compass trammel 長圓規(guī)Steel Beam Trammel 鋼桿規(guī)Extension Beam Trammel Dividers 長梁分規(guī)beam compass beam trammel 長臂圓規(guī)beam trammel更多詞組專業(yè)釋義能源科學技術長臂圓規(guī)經(jīng)濟學長臂圓規(guī)