... 安全吊safety hanger 心盘垫center plate filler 下心盘bogie center plate ...
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body center plate filler angle 心盘座角钢
body center plate filler 上心盘座
·2,447,543篇论文数据，部分数据来源于NoteExpress
The causes to such defects as cracking and sand inclusion in the integral rear draft lug and the body center plate filler are analyzed, and the technology improvement measures are described.
分析了一体式后从板座及上心盘座裂纹、夹砂等缺陷产生的原因，并介绍了工艺改进措施。
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