基本解釋[經(jīng)濟(jì)學(xué)]石墨青銅軸承詞組短語(yǔ)短語(yǔ)graphite e bronze bearing 石墨青銅軸承porous graphite -containing bronze bearing 多孔石墨青銅軸承Oily bronze graphite bearing 青銅石墨含油軸承bronze -graphite bearing 青銅石墨軸承graphite bronze bearing更多詞組專(zhuān)業(yè)釋義經(jīng)濟(jì)學(xué)石墨青銅軸承