涂层具有良好的韧性和耐磨性能。
一座设计精良的桥，一定要有良好的韧性。
A well built bridge has give; it has a certain amount of flexibility to it.
试验表明，该铁丸既具有较高硬度，又有良好的韧性，使用寿命得到提高。
Experiments show that the iron shot is with high er hardness and better toughness and the service life increase.
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