string(3) "DDD" NULL string(3) "AAA" string(3) "CCC" string(4) "user" NULL NULL string(3) "CCC" string(4) "user" NULL E 1 مقاله: توربین آبی FLUID FLOW MODELLING THROUGH AN AXIAL-FLOW MICROHYDRO TURBINE

E 1 مقاله: توربین آبی FLUID FLOW MODELLING THROUGH AN AXIAL-FLOW MICROHYDRO TURBINE

توضیحات کتاب
string(3) "BBB" string(8) "messages"