举例说明了强力焊管孔型设计方法。
The pass design method of high strength welded pipe is also explained with examples.
提出了孔型设计的基本方法。
Furthermore, the basic method for pass design of the mill is proposed.
介绍了三辊减径机宽展孔型的设计方法。
The design method of the groove is presented here in the article.
实践表明：该孔型系统的设计合理、可靠。
The practice is indicated: The design of pass system is reasonable and reliable.
介绍了该孔型的设计方法。
孔型可根据用户要求设计制作。
孔型可根据用户要求设计制作。
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