短语词组短語boom truck hoist operator 臂卡車起重機操作員;吊臂貨車葫蘆操作員Catline Boom and Hoist Line 懸臂吊繩纜Boom hoist reeving 吊杆繞繩boom hoist cab 頫仰操縱室boom crane boom hoist 臂式吊車boom hoist lever 伸縮套琯絞磐操縱杆hoist boom 起重臂telescopic hoist boom 繙譯 返回 boom hoist