... 嘴唇论纲 » Outline lips 耐磨不变形 » Wear no deformation 他只有10岁 » He was only 10 years old ...
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Rugged, no deformation, wear and impact resistance, light weight, suitable for fast-moving.
TL - 3塑料拖链结构坚固，不会变形，耐磨，耐冲击，重量轻，适合快速移动。
Diyuan steel ball is with precise dimensions, roundness of the geometric shape, high hardness, good mechanical properties and good wear resistance, no deformation, no breakage etc excellent quality.
帝元钢球具有精确的尺寸、圆整的几何形状，很高的硬度和良好的机械性能并具有耐磨损、不变形、不开裂的优异品质。
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