涂抹摩擦装置 A/HFS
横向水平式摩擦测试装置，滑轨中央放置2KG砝码提供压力，测定两个方向的滑动摩擦。
Horizontal friction test device. A 2KG weight is placed in the center of the slide rail to provide pressure to measure the sliding friction in two directions.
