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常聽人家張口就侃‘晚了’,,俺追問,,你什么地方晚了,? |
點(diǎn)評
小的軸承可以,弄懂了,,加工水平夠,,就行,大的不行,,里面有許多‘修正’,,你要玩懂修正才成,否則一開機(jī)就燒了,,關(guān)鍵細(xì)節(jié)很致命,,泵也一樣,常規(guī)的,,山寨也可以,,高溫的,有嚴(yán)格壽命的,,肯定是不行,,必須要全懂
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