求翻译：该材质要求低碳含量，低碳当量，高纯度低夹杂，具有良好结合力学性能，低温韧性及焊接性能，对表面质量及尺寸公差要求严格。是什么意思？

The material requirements of a low carbon content, low carbon equivalent, high purity mixed with a good combination of mechanical properties, low temperature toughness and weldability, demanding surface quality and dimensional tolerances.

The material for low carbon content, and low carbon equivalent, high purity, low-mixed with a good performance with mechanics, low temperature toughness and welding performance, quality and size of the surface tolerances.

This material quality request low-carbon content, the low-carbon equivalent, the high-purity low mixture, has the good union mechanics performance, low temperature toughness and the welding performance, is strict to the surface quality and the size common difference request.

The material low carbon content, low carbon equivalent and high purity low inclusion, has a good combination of mechanical properties, low temperature toughness and weldability, strict demands on surface quality and dimensional tolerances.

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