短語(yǔ)詞組短語(yǔ)slewing g pillar crane 轉(zhuǎn)柱式起重機(jī)post crane slewing pillar crane 轉(zhuǎn)柱式起重機(jī)fixed pillar slewing crane 定柱鏇臂起重機(jī) 返回 slewing pillar crane