1.The utility model relates to the improvement of a belt box in a feeding and striction belt mechanism of a bank note binding machine.
本实用新型是对捆钞机中送进、收紧带机构中的带盒的改进。
2.Magneto striction Guided Wave; NDT; Sensors; Bias magnet field;
磁致伸缩;导波;无损检测;传感器;偏置磁场;