4954| 13
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請(qǐng)教一下,你們畫工程圖時(shí),,剖切線符號(hào)是放尺寸線里面還是外面? |
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點(diǎn)評(píng)
好的,感謝
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點(diǎn)評(píng)
好的,,好的,,感謝。
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點(diǎn)評(píng)
確實(shí),,有時(shí)情況特殊
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