Minh up tai lieu nay len, ai can thi down.
Gom AS 3600-2009 cho concrete va AS 4100 cho steel
http://www.mediafire.com/?11giy847vfe4k
pass: thangunsw
Gom AS 3600-2009 cho concrete va AS 4100 cho steel
http://www.mediafire.com/?11giy847vfe4k
pass: thangunsw
Ghi chú