扭转弹簧常数 torsional spring constant 圆锥螺旋扭转弹簧 conoid helical-coil compression spring ; coil compression spring ; conoidhelical-coilcompre io ring 螺旋扭转弹簧 helical torsion spring ..
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... 圆柱蜗杆cylindricalworm 圆柱坐标操作器cylindricalcoordinatemanipulator 圆锥螺旋扭转弹簧conoidhelical-coilcompre io ring ...
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...conoid helical-coil compression spring 圆锥螺旋扭转弹簧 ; 圆锥螺旋改变弹簧 conoid helical-coil compression summer 圆锥螺旋扭转弹簧 cylindroid helical-coil torsion ring 圆柱螺旋扭转弹簧 ..
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