salam
shoma jaei ro mishnasid k tigh are moii told konand ya nemayandegi tighe are moii dashte bashan o varedat konand
,mn tighe moi enetaf pazir mikham b tol 2 metr
koja mitonam peyda knam
salam
kac mitone komaka kne ta betonm
maghale ee k mikha peda km ro chetor bayad search knm?
ravesh search krdn maghale chetrie?
m donbal do ta maghale hstm kheili hm vasam moheman
tahlil dinamiki charkh ghatar
fanavrie nano dar mobadel haye hararatii