因為這組slipper的原始設計的軸心直徑只有4mm,的翻译：Because the original design of this set of slipper shaft diameter of only 4mm, 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Because the original design of the group slipper axis diameter of only 4mm.

Because the original design of this set of slipper shaft diameter of only 4mm,

Because of this group of slipper primitive design axle center diameter only then 4mm,

Because the group slipper original design the axis 只 4 mm diameter.

Because the original design of this set of slipper shaft diameter of only 4mm,