1 select replace('GB/T 10361-1989', '/T', '')
2 declare @aa varchar(40)
select @aa='GB/T 10361-1989 '
print replace(@aa,'/T','')
3 declare @s as varchar(20)
set @s = 'GB/T 10361-1989'
set @s = replace(@s,'/T','')
print @s
4 declare @s as varchar(20)
set @s = 'GB/T 10361-1989'
set @s = substring(@s,1,2)+substring(@s,5,len(@s)-4)
print @s