Range of movement in the foot and ankle includes inversion and eversion at the subtalar joint. 脚和脚踝的运动范围包括距下关节处的内翻和外翻。
Wet meal eversion using scraper chain structure, part of the first round of the drive is external bearings, by reducing solvent gases erosion of mechanical problems. 湿粕刮板采用外翻式链条结构，头轮部分的传动轴承是外置的，减少因溶剂气体的侵蚀而发生的机械故障。
