2091| 16
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形位公差的標(biāo)注問題 |
評分
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點評
看不出孔與平面垂直度0.06有什么必要,,換句話說,,這么大的平面,何至于垂直度這么大,?你是按照規(guī)范選的嗎還是隨便寫的
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點評
這個是一條連桿
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