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發(fā)布時(shí)間: 2014-1-12 08:45
正文摘要:液壓缸前端的萬向接頭,, 1處的結(jié)構(gòu)可以理解成磨削用的頂尖孔么,? 2處的是不是就是儲(chǔ)存潤滑脂的? |
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