分析了顶头工作锥纵裂的条件。

W. T. ratio and an analysis of the conditions for the said crack development.

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在不同的工作锥角度下，比较镀锌钢丝拉拔后的抗拉强度、锌层质量、模子寿命。

The tensile strength, zinc coat mass and service life of die of galvanized steel wire after drawing are compared on the condition of different work cone angle.

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在不同的工作锥角度下，比较镀锌钢丝拉拔后的抗拉强度、锌层质量、模子寿命。

To set forth the effect by such factors as speed of taking up, temperature of galvanizing pot, dipping time, raw material on Zn-coat mass of steel wire galvanizing by dipping.

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