And the bottom adjacent to the lower flow turning slow, centrifugal force is small, the gravity flow from the outer edge of the inner edge, resulting in secondary reflux.
与槽底相邻的下层水流回转速度慢，离心力小，在重力作用下从外缘流向内缘，产生二次回流。
Different types of cracks appear during the LF6 alloy flow turning at room temperature. Combining the theoretical analysis results, the reasons of producing cracks were explained in detail.
针对LF 6合金筒形件室温下反旋成形时出现过几种不同类型的开裂现象，结合理论分析结果，对各种裂纹的产生原因给出详细的解释。
Different types of cracks appear during the LF6 alloy flow turning at room temperature. Combining the theoretical analysis results, the reasons of producing cracks were explained in detail.
针对LF 6合金筒形件室温下反旋成形时出现过几种不同类型的开裂现象，结合理论分析结果，对各种裂纹的产生原因给出详细的解释。
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