contraction coefficient of length
contraction coefficient of length
长度收缩系数
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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In the end the relationship of steel grades, mould length, drawing speed and sectional dimensions of the billet with mould taper and solidification and contraction coefficient has been discussed.
最后分别讨论了钢种、结晶器长度、拉坯速度、铸坯断面尺寸与结晶器锥度、凝固收缩系数的关系。
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