樓主: 黃鸝鳥123
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螺紋表面處理前后尺寸變化問(wèn)題 |
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點(diǎn)評(píng)
大俠,幾微米也是厚度啊。最主要估計(jì)你年齡叫六角車大俠應(yīng)該叫爺爺至少也是大伯,怎么好叫大哥。。
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