The result shows that stress intensity factor of calculated of thickness of welding seam.
给出了数值解法计算模型,研究了焊口厚度对焊口应力集中系数的影响.
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Use mirror surface welding technology to ensure welding seam smooth, and reduce material remained.
采用镜面焊接技术,确保焊缝光滑平整, 减少产品残留.
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Analogy simulation method for water invasion forecasting of mining influenced coal seam floor
突水预测的采动煤层底板相似模拟方法研究
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基于GIS的煤层底板灰岩水突出危险性综合评价
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The welding seam deviation information is acquired from the rotation arc sensor.
从旋转电弧传感器获得了焊缝的偏差信号.
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Unique output special design can suit wire filling welding and form good-looking welding seam.
独特的输出特性设计更适合填丝焊接,焊缝美观.
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Possess the gas promotion and stop function, develop the quality of welding seam.
具有气体提前,滞后功能, 提高焊缝品质.
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In this paper , we bring in the general program of ultrasonic testing of welding seam.
引入了焊缝超声波探伤的一般程序.
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而中压下电子束焊接时的温度峰值较低, 且焊缝较宽,焊缝深宽比较小.
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Influences of Geologic Structure and Else Factors to Coal Seam Thickness in Dongyang Mine Field
东阳井田构造及其它因素对煤层厚度变化的影响
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