电能表通讯规约测试软件，集合的DL/645-1997和DL/T645-2007 是一款很好的通讯规约调试软件，适合电能表研发和测试的工程人员-Meter communication protocol testing software, set DL/645-1997 and DL/T645-2007 is a good communication protocol debugging software for development and testing of energy meter eng