基本解釋轉(zhuǎn)柱挺桿起重機(jī);旋臂式轉(zhuǎn)柱起重機(jī);塔式起重機(jī)詞組短語(yǔ)短語(yǔ)revolving pillar jib crane 回旋立柱臂桿起重機(jī);立柱式旋臂起重機(jī)swinging pillar jib crane 定柱轉(zhuǎn)臂起重機(jī);定柱旋臂起重機(jī)pillar jib crane更多詞組專(zhuān)業(yè)釋義經(jīng)濟(jì)學(xué)轉(zhuǎn)柱挺桿起重機(jī)