helical spring [机] 螺旋弹簧 ; 螺旋形弹簧 ; 螺旋型弹簧

helical torsion spring 扭簧 ; 螺旋扭转弹簧

Helical spring plate 螺旋弹簧板

helical compression spring 螺旋压缩弹簧 ; 螺旋压力弹簧

cylindroid helical-coil torsion spring 圆柱螺旋扭转弹簧

cylindroid helical-coil extension spring 圆柱螺旋拉伸弹簧

cylindroid helical-coil compression spring 圆柱螺旋压缩弹簧

double helical spring 复式螺旋弹簧

shaft helical spring 轴螺旋弹簧