基本解釋[經(jīng)濟(jì)學(xué)]履帶塔式起重機(jī)詞組短語(yǔ)短語(yǔ)crawler -mounted tower crane [機(jī)]履帶式塔式起重機(jī)crawler tower crane更多詞組專(zhuān)業(yè)釋義經(jīng)濟(jì)學(xué)履帶塔式起重機(jī)