在实际的项目中，用txt按行存数据，数据是key-value形式的，能不能只保留value，去掉key以缩小文件大小？

txt中每行的格式如下：
{"no":"88","vehicle_line":"530","Vec":"0","Direction":"200","linedirection":"0","Time":"2015-01-30 00:04:32","LON":"94.3456","LAT":"39.5693","status":"0"} {"no":"88","vehicle_line":"530"