18834| 8
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鐵路系統(tǒng)的社友們,搞輪軸專職的進(jìn)來聊聊啊 |
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點(diǎn)評
嗯,,軸承是那樣的,。我們現(xiàn)在還只能做到鐵路貨車60噸,70噸軸承一起退,。我說的那個(gè)退卸機(jī)是退輪餅的,。500噸壓力的那種。
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