拖运机pull: vt. 1.拉,拖,牵,曳 (opp. push); 勒 ...over: This hat cost over £5. ...gear: n. 1.【机械工程】齿轮,(齿轮)传动装置,齿链;排挡 ...pull-over gear: 拖运机; 移送机pull it over: 扳过来下载手机词典可随时随地查词查翻译