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Its hardness and flow properties can be improved by adding softener.

软化剂的加入可以改善其硬度及加工流动性。

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This pure gold is commonly alloyed with other metals to increase its hardness and decrease its cost.

这通常是纯金合金与其他金属，以增加其硬度和降低其成本。

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Branagan says he can increase the hardness and toughness of steel without a corresponding decrease in malleability.

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Wu was also inspired by the femme fatales of Helmut Newton hence the tug-of-war between hardness and softness as seen on the retro-style swimsuits, the dresses with paneled leather, the sheer frocks with leather edging and those leather harnesses.

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