基本解釋磁桿羅磐英漢例句雙語例句On the point of an upright needle he laid horizontally a fine steel bar, which could turn to the right and left like the magnetic needle in a compass-box..他在一根垂直的針頭頂點，設置了一根水平的鋼制細棍，它可以左右轉(zhuǎn)動，就像羅磐裡的磁針那樣。bar magnetic compass更多例句詞組短語短語bar r magnetic compass 磁桿羅磐bar magnetic compass更多詞組專業(yè)釋義經(jīng)濟學磁桿羅磐能源科學技術磁桿羅磐