2555| 8
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請(qǐng)教,,鉆頭撕裂是什么原因造成的,? |
評(píng)分
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點(diǎn)評(píng)
一般崩刃不是這樣
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點(diǎn)評(píng)
怎么能看出是鎢鋼鉆?
怎么能看出是撞的,?
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點(diǎn)評(píng)
何以見(jiàn)得,?
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