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發(fā)布時(shí)間: 2024-4-8 09:52
正文摘要:請大俠指教: 1、圓頂閥密封件由A~E組成,請問,為何A、E段厚度那么厚?C段厚4mm. 2、密封件與球頂?shù)拈g隙一般多少比較合適? 感謝! |
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