cylindrically coiled tension spring的意思|示意

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圆柱盘式张力弹簧

圆柱螺旋拉伸弹簧圆柱螺旋扭转弹簧：cylindroid helical-coil torsion spring 圆柱螺旋拉伸弹簧：cylindrically coiled tension spring 圆柱螺纹：straight thread ..