某工程双代号时标网络计划如下图所示，其中工作G的总时差和自由时差( )天。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='24811' and id < 2121371 and id<>'2121371' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24811' and id > 2121371 and id<>'2121371' order by id asc limit 5