汽轮发电机转子护环
rotor retaining ring of turbogenerator
铁离子循环转化
Fe(superscript 3+) circular transform
转化生长因子α自分泌环
transforming growth factor α autocrine loop
转子端环与铜排
Rotor end ring and copper bars
转子护环
retaining ring of generator rotor
protective ring of rotor