The rubberised bitumen itself is flexible and slightly springy, which enables it to absorb more unwanted sonic energy.
而参入了橡胶的沥青本身也具有柔韧性和轻微的弹性，这可以使它吸收更多讨厌的音波能量。
The rubberised bitumen itself is flexible and slightly springy, which enables it to absorb more unwanted sonic energy.
而参入了橡胶的沥青本身也具有柔韧性和轻微的弹性，这可以使它吸收更多讨厌的音波能量。
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