contraction percentage [机] 收缩率
- This one-dimensional variation is called linear contraction of the solid as the case may be and is expressed as the percentage Change in its length for one-degree change in temperature.
这种一维变化按不同情况叫做固体的线性膨胀或线性收缩,它是以用温度变化一度时其长度变化的百分数来表示的。
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