The material of frame and shaft head is imported. It's of high strength that can bear high pressure. It's never deformation.
机身及轴头均采用进口材料制作，强度高，能承受超高的压力，绝不变形。
The material of frame and shaft head is imported. It's of high strength that can bear high pressure. It's never deformation.
机身及轴头均采用进口材料制作，强度高，能承受超高的压力，绝不变形。
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