基本解釋[經(jīng)濟學]寶石軸承生產(chǎn)設備寶石軸承出產(chǎn)配置詞組短語短語jewel l bearing manufacturing equipment 寶石軸承生產(chǎn)設備jewel bearing manufacturing equipment更多詞組專業(yè)釋義經(jīng)濟學寶石軸承生產(chǎn)設備寶石軸承出產(chǎn)配置