Neither of them broke step: In silence both raised their left arms in a kind of salute and passed straight through, as though the dark metal was smoke.

谁也没有停下脚步：两个人都沉默的以一种特殊的敬礼方式举起他们的左臂，接着径直的穿了过去，似乎那黑色的金属仅仅只是烟雾。

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So the process of the first step is the light and dark, the next step through a process towards, the third step is to edge in a curved, the end of the work was.

所以该工序的方法第一步是先由浅拉深，第二步完成冲孔工序，第三步是边孔处的弯曲，最后是落料的工作。

youdao

So the process of the first step is the light and dark, the next step through a process towards, the third step is to edge in a curved, the end of the work was.

所以该工序的方法第一步是先由浅拉深，第二步完成冲孔工序，第三步是边孔处的弯曲，最后是落料的工作。

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