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1·The invention relates to trig moment stepless adjusting permanent-magnet slack adjuster.

本发明涉及制动力矩无级调节永磁式缓速器。

2·Described are the analysis of causes to typical troubles in st 2-direction brake shoe slack adjuster and preventative measures.

介绍了ST型双向闸瓦间隙调整器典型故障的原因分析及其预防措施。