试验结果表明，钢梁翼缘与封口板之间连接焊缝的焊接质量对节点性能至关重要；

The results of the experiments show that the quality of the welding seam between the flange girth of steel beam and the seal plate is very important to the function of the joint;

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改善尾架与车架的搭接长度，将连接焊缝改为断续焊缝，从而有效地提高了车架的强度。

Also, improve the overlapped length of the tail frame and the frame and change the welding seam into intermittent seam, therefore the frame strength can be effectively increased.

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改善尾架与车架的搭接长度，将连接焊缝改为断续焊缝，从而有效地提高了车架的强度。

Also, improve the overlapped length of the tail frame and the frame and change the welding seam into intermittent seam, therefore the frame strength...

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