樓主: 僵尸號(hào)
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請(qǐng)問用手電鉆在20厚的鋼板上打直徑6mm的通孔,難度大嗎? |
點(diǎn)評(píng)
說得對(duì),這是心法
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點(diǎn)評(píng)
我只用手電鉆鉆過薄板,厚板沒信心。還是你牛
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點(diǎn)評(píng)
很有畫面感!
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