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大家來(lái)找茬!(基礎(chǔ)知識(shí)) |
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點(diǎn)評(píng)
謝謝提醒。是標(biāo)直徑。我只寫了中心孔。描述不全。多謝
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點(diǎn)評(píng)
呵呵,這個(gè)有人說(shuō)了!
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點(diǎn)評(píng)
呵呵!左視圖里Ф94就是的啦。
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