总铁结合力
参考答案：
指血清中运铁蛋白全部与铁结合后铁的总量，实际反映血清中运铁蛋白的水平。
The old man insisted that I ____ his wallet and that I ____ with him to the police station.
A．take, go
B．had taken, go
C．took, go
D．had taken, went
SCR整流桥中为何要装快熔？
