The process characteristic is that the first draw occurs in a steam box and the second draw between the succeeding drawing roller and setting roller.

其后加工特点是：一级拉伸发生在蒸气浴槽内，二级拉伸发生在第二拉伸辊与定型辊之间。

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The process characteristic is that the first draw occurs in a steam box and the second draw between the succeeding drawing roller and setting roller.

其后加工特点是：一级拉伸发生在蒸气浴槽内，二级拉伸发生在第二拉伸辊与定型辊之间。

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