4319| 11
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這個(gè)折彎部分怎么加工劃算? |
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點(diǎn)評(píng)
還有一點(diǎn),,在91度處的尺寸11.9,8.3應(yīng)該像在144度處標(biāo)注18.6,,8.3那樣標(biāo)出,。這些條件具備才可以計(jì)算。
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點(diǎn)評(píng)
是的!抱歉,!對(duì)不起觀眾�,。。,。。,�,!
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