Don't see a case of PD carry-over - 回複：請各位大俠出出主意:優先日期CARRYOVER E

since a higher preference is with an earlier PD
http://blog.wenxuecity.com/blogview.php?date=200802&postID=19212#PDtransfer

所有跟帖： 

• 回複：Don't see a case of PD carry-over - 回複：請各位大俠出出主意:優先日期CARRYOVE -jz999- ♂ (46 bytes) () 12/21/2009 postreply 11:18:44