基本解釋[經(jīng)濟學]鏇臂轉(zhuǎn)柱起重機詞組短語短語slewing g portal crane 鏇臂轉(zhuǎn)柱起重機Portal slewing crane 門座起重機Semi -portal slewing crane 半門座起重機slewing portal crane更多詞組專業(yè)釋義經(jīng)濟學鏇臂轉(zhuǎn)柱起重機