短語詞組短語luffing jib tower crane 動(dòng)臂塔式起重機(jī);[機(jī)]動(dòng)臂變幅塔式起重機(jī)tower crane s jib 塔式起重機(jī)起重臂trolley -jib tower crane [機(jī)]小車變幅塔式起重機(jī)goose -neck jib tower crane [機(jī)]折臂式塔式起重機(jī)tower crane ' s jib 塔式起重機(jī)起重臂 返回 tower jib crane