gioi thieu chung ve bien tan siemens

[dtt]

ai co tai lieu ve bien tan siemens. lam on gui giup cho minh. gio minh dang rat can.ai co xin gui giup toi dia c:D:
chi :" thedacxl@yahoo.com.vn "


minh vo cung cam cam on do !
cac ban giup minh nha :confused:????

[ptcs.han]

Sau bạn chịu khó seach trc khi hỏi http://diendandien.com//showthread.php?t=93&highlight=siemens