4114| 6
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關(guān)于鏟刮平面的不解 |
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點(diǎn)評
補(bǔ)充一下,,實(shí)際應(yīng)用中并不一定要求點(diǎn)越多越好,有時還得特意留有凹坑,,用來儲油,,儲屑的。
評分
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評分
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點(diǎn)評
導(dǎo)軌花紋凹點(diǎn)是要儲油的,。
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