25806| 78
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求指教,這種沉孔+螺紋孔的用法 |
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點(diǎn)評(píng)
可能是為了減少螺紋長度。
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點(diǎn)評(píng)
說的對(duì)頭。這種孔結(jié)構(gòu)在氣缸上是最常見的,方便你安裝采用的方式。
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