...n spring 圆柱螺旋扭转弹簧 ; 圆柱螺旋改变弹簧 conoid helical-coil compression spring 圆锥螺旋扭转弹簧 ; 圆锥螺旋改变弹簧 cylindroid helical-coil extension spring 圆柱螺旋拉伸弹簧 ..
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... 圆锥螺旋形弹簧：conical spring 圆锥螺旋扭转弹簧：conoid helical-coil compression spring 圆锥螺纹：taper thread plug ...
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