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应用磁导率法可测出挺杆轴向部位不同组织,按最大输出信号值可判断出白口组织与其它组织的交界线,由电感位移计显示该位置与端面的距离——白口深度。
Application of magnetic permeability method can be measured in different parts of the tappet axial parts, according to the maximum output signal value can be judged by the white tissue and other organizations of the boundary line, the displacement indicator shows the location of the distance from the end face - white mouth depth .