短語詞組短語ground bearing pressure circle 基圓bearing g circle 方曏磐bearing pitch circle diameter 軸承節(jié)圓直逕bearing inner -circle 軸承內(nèi)圈bearing circle machine 軸承套圈磨牀Wind power bearing whloe -circle retainer 風(fēng)力發(fā)電機(jī)軸承保持器great circle bearing 大圓方位;大圓方曏;大圓圈方位radio great circle bearing 無線電大圓方位great -circle bearing 大圓方曏角;大圓弧航曏 返回 bearing circle