基本解釋履帶式起重機(jī)詞組短語短語Crawler r mounted crane 履帶式起重機(jī)crawler -mounted tower crane [機(jī)]履帶式塔式起重機(jī)crawler mounted crane更多詞組專業(yè)釋義交通運(yùn)輸工程履帶式起重機(jī)