除非电源接头是防火花的,否则不要再30米距离内,为电器设备通电。
Do not connect electrical equipment to a power source less than 30 meters away, unless the power source has spark-proof connectors.
结果表明:焊接接头横截面宏观结构特征表现为焊核区的“洋葱环”和热-机械影响区的塑性流线变形,洋葱环的环间距随着距焊缝中心距离的增大而减小;
The experiment result shows that the spacing of onion rings, which is the most prominent features of most friction stir welds, decreases with the distance of onion ring to centerline increasing .
针对T300/KH304复合材料层合板的单排多钉双剪联接接头,考虑到孔间距离对接头强度的影响,用三维有限元模型对接头的静强度进行数值分析。
The effect of the distance between holes is taken into consideration, strength of multiple double lapped joints of T300/KH304 CFRP is analyzed by three dimensional finite element model.
针对T300/KH304复合材料层合板的单排多钉双剪联接接头,考虑到孔间距离对接头强度的影响,用三维有限元模型对接头的静强度进行数值分析。
The effect of the distance between holes is taken into consideration, strength of multiple double lapped joints of T300/KH304 CFRP is analyzed by three dimensional finite element model.
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