6040| 9
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粗糙度為6.3的平面和25的環(huán)形槽該如何加工出來 |
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點(diǎn)評(píng) | ||
點(diǎn)評(píng)
說實(shí)話國產(chǎn)的就這樣,
O型密封圈槽就不是25了
這應(yīng)該是個(gè)閥門,,應(yīng)該有密封,,那里難道是O型密封圈,不知道會(huì)不會(huì)掉了
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