follower seat
后从板座 rear draft lug ; From the Board after ; Block from the board after
前从板座 front draft lug ; front draft stop
一体从板座 rear draft check casting
弹簧从板座 [铁路] spring follower stop
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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。
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.
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