By means of comprehensive geochemical soil cross section, the authors studied in detail characteristics of supergene geochemical anomalies in the Ertaizi gold_copper orefield.
为查明二台子金铜矿床的表生地球化学异常特征，采用土壤地球化学综合剖面的研究方法，对其进行了详细的分析研究。
The principle, method and application of equal cross section lateral extrusion process are introduced. The design of the structural parameters of the experimental die is discussed in detail.
介绍了用于制备纳米块材的等截面侧挤压技术的原理、方法和应用，并就其实验用模具的结构设计与尺寸确定作了详尽讨论。
Especially calculating procedures for circle curve by cross-section and transition cur-ve of the road have been expressed and derived in detail.
特别对圆形曲线的横断面曲线、缓和曲线等的计算步骤作了详细说明和推导。
The influences of a large clearence are analyzed to stamping parts, quality of cross section and die wear. A detail measure to improve die life is also discussed in this paper.
对大间隙冲裁与冲件断面质量、模具磨损的影响进行了分析，并提出了提高模具寿命的具体方法。
The influences of a large clearence are analyzed to stamping parts, quality of cross section and die wear. A detail measure to improve die life is also discussed in this paper.
对大间隙冲裁与冲件断面质量、模具磨损的影响进行了分析，并提出了提高模具寿命的具体方法。
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