5098| 11
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圖紙上硬度值的公差是多少?? |
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點(diǎn)評(píng)
拋磚引玉~~~~打破零回復(fù)
還正負(fù)二,你真敢胡謅啊,你告訴我哪個(gè)標(biāo)準(zhǔn)要這么寫的?
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點(diǎn)評(píng)
對(duì)的一般是給個(gè)上下限,不能低于下限!廠商做好的材料回來(lái)都會(huì)給到報(bào)告硬度多少,或者你們回來(lái)復(fù)測(cè)!
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