文章结合工程实例介绍在实验室及现场同条件下预应力混凝土用PVC塑料波纹管的检测技术及试验方法。
With some engineering examples, this article introduces some testing techniques and methods of PVC plastic corrugated pipe used in prestressed concrete, both in labs and on the spot.
拿到实验室，经过分离，纯化、分析、修复，获得完整的DNA，然后经过基因工程的方法，成亿倍扩增。
To get the laboratory, after the separation, purification, analysis, repair, access to the full DNA, and then through genetic engineering, into a billion-fold amplification.
这种系统化的实验室设计方法进一步完善了机械工程实验室的建设。
This systematic lab construction method provides some beneficial references for the construction of machine engineering lab.
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