我们有三种金属眼镜架材料，您最喜欢哪种？
但适宜作为高档金属眼镜架用材料的钛合金，必须具有良好的冷加工性能。
Therefore titanium and metal alloy of titanium have fine and overall properties. However, the titanium alloy that can be made of upscale metal spectacles must have good cold deformation.
但适宜作为高档金属眼镜架用材料的钛合金，必须具有良好的冷加工性能。
Therefore titanium and metal alloy of titanium have fine and overall properties. However, the titanium alloy that can be made of upscale metal spectacles must have good cold deformation.
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