• A circular hole equals to the cylinder of the jointing component and gaps through which the nylon can fall down are reserved in the vicinity of the opposite Angle at the bottom of the flat triangle.

    平面三角底边对角近处,预留连体构件圆柱体相当尼龙丝可以落下的缝隙

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  • Validity and feasibility of the finite difference time domain method is demonstrated by the echo-wave signal of a flat bottom hole block.

    通过与平底孔试块实际缺陷回波信号对比,验证了脉冲超声波有限差分模拟计算的有效性和正确性。

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  • Equivalent calibrations of short horizontal hole artificially defects and big flat-bottomed hole artificially defects or calculation equivalent of big flat-bottom are adopted.

    采用人工缺陷和平底孔人工缺陷当量标定平底当量计算法。

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  • Equivalent calibrations of short horizontal hole artificially defects and big flat-bottomed hole artificially defects or calculation equivalent of big flat-bottom are adopted.

    采用人工缺陷和平底孔人工缺陷当量标定平底当量计算法。

    youdao

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