المغذي الكهرومغناطيسي cs-1
المغذي الكهرومغناطيسي cs 1. Inverse Square Law By the square inverse law E 1 /F 2 1 = E 2 /F 2 2 it is known that an expsoure value E = i t is in inverse proportion to the sqare of focal distance F The tube current is fixed to احصل على السعر
