短语词组短语oil delivery hose 输油胶管oil line hose 油管路软管engine oil drain hose 发动机机油排油软管Rubber oil delivery hose 橡皮输油管oil cooler hose 油冷管oil resistance hose 耐油胶管transmission oil cooler hose 变速箱机油冷却器软管oil inlet hose 进油软管 返回 oil hose