Only to thoroughly hold the property, task and function of the basic undergraduate curriculum may we design and implement them effectively.
只有深入把握本科基础课程的性质、及其在本科人才培养中的任务和作用，才可能合理设计并有效实施本科基础课程。
Will study summary especially in different orifice group for precision condition take off , implement single surface to weld the two-sided shape technical and technology effect of welding thoroughly.
特别要研究总结在不同管口组对精度条件下，实施单面焊双面成形根焊的技术和工艺效果。
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