low hardness apron 低硬度胶圈
low hardness cooling water 低硬度循环水
low-hardness 低硬度
low hardness cots 低硬度胶辊
low hardness aprons 低硬度胶圈
low hardness top roller 低硬度胶辊
There is a narrow transitional zone from high hardness to low hardness on the interface.
在界面存在一个从高硬度到低硬度的渐变过渡区。
While its disadvantages of low hardness, low wear resistance and easy to occur inter crystal corrosion affect its application ranges and life-span.
但铝和铝合金硬度低、不耐磨、易发生晶间腐蚀，这些缺点影响了其应用范围和使用寿命。
However, in some application conditions, low hardness, big friction coefficient and poor wear resistance confine its extensive application in engineering.
然而，在某些应用条件下，钛合金的硬度低，摩擦系数大，耐磨性差。
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