用级进模结构形式，改现行简单模结构的一工步操作的冲裁为两工步操作：第一工步为半冲裁，第二工步为推料。

Use constructional type of progressive dies, change present one step operation of single die construction for two-step blanking, i. e, first step semi-blanking, second ejecting material.

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用级进模结构形式，改现行简单模结构的一工步操作的冲裁为两工步操作：第一工步为半冲裁，第二工步为推料。

Use constructional type of progressive dies , change present one step operation of single die construction for two-step blanking , i.

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我用着那二级工水平的热情和技能，也开始帮助他完成这个建筑物的附加部分。

With the enthusiasm and skill of a second-grader, I set out to help him build the addition.

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