短语词组短语boom truck hoist operator 臂卡车起重机操作员;吊臂货车葫芦操作员Catline Boom and Hoist Line 悬臂吊绳缆Boom hoist reeving 吊杆绕绳boom hoist cab 俯仰操纵室boom crane boom hoist 臂式吊车boom hoist lever 伸缩套管绞盘操纵杆hoist boom 起重臂telescopic hoist boom 翻译 返回 boom hoist