3216| 18
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鉆孔需要的夾緊機(jī)構(gòu) |
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點(diǎn)評(píng)
中間卡黃用氣動(dòng),下面的液壓
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點(diǎn)評(píng)
單缸曲軸?你是要鉆過油孔還是鉆平衡孔?
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