Main topics investigated formerly in sheet metal press forming technology are breakage and crease.

在板材冲压成型技术中，以前的主要研究课题是破裂和起皱问题。

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There fore, poor surface fineness becomes an important topic of current press forming technology to be investigated, which demands people to deepen their recognition.

因此，面形状精度不良问题已成为现代冲压成型技术的一大重要研究课题，目前人们对它的认识还要进一步深化。

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There are many disadvantages for adopting the press forming techniques of mold to manufacture the inner hull of wave shape, so we are difficult to ensure its manufacturing quality.

采用模型压制成形工艺制造波形炉胆存在诸多缺点，难以保证其制造质量。

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Mr Cem announced to a press conference that he is forming a new pro-western political party with Mr Ozkan and Mr Dervis.

ECONOMIST: A government on the brink | The