Antibodies in the yolk are collectively named yolk immunoglobulin ( IgY ).此蛋黄中的抗体称为IgY( YolkImmunoglobulin ).DeternSning contents of immunoglobulin and alexin in milk by Agar Immunodiffusion technique.用琼脂单项免疫扩散法测定牛乳免疫球蛋白...
这家工厂制造各种精密机床.All kinds of precision machine tools are made in this factory.这台机床容易操作.This lathe is easy to operate.我们能造精密机床.We can manufacture high - precision machine tools....