1.应许多网友需求特此上传此DLT645测试用程序，并附代码 2.适用于 DL/T 1997 & 2007 规约的测试用软件，.Net 2编写,适用于97规约和07规约-1. Should the demand for many users like to upload this DLT645 testing procedures, together with code 2. Apply to DL/T 1997 & 2007 of the Statute of the