第八章.螺纹ç&a

第八章.螺纹ç&a

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8.2 螺螺螺螺螺 螺 螺螺螺螺 螺螺螺螺螺 螺螺 GB/T 6170 M12 2d 0.8d 螺螺螺螺螺 ? ? ? ? ? ? ? 螺螺螺螺螺螺螺螺螺螺 螺螺螺螺螺螺螺螺螺螺螺螺螺螺螺 螺螺螺螺螺螺螺螺螺螺螺螺螺螺螺螺螺螺螺螺螺螺螺螺螺螺螺螺螺螺螺 螺螺螺螺螺螺螺螺螺螺螺螺 螺螺螺螺螺“ GB” 螺螺螺螺 螺螺 螺螺螺 d= 螺螺螺螺
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螺 螺螺螺螺螺 螺螺螺螺螺 螺螺 GB/T 5780 M12×80 螺螺螺螺螺 ? ? ? ? 螺螺 螺 螺螺 螺螺螺螺螺 螺螺 GB/T 97.1 12 螺螺螺螺螺 ? ? ? ? ? M12 ? ? ? ? ? ? 0.15d 1.1d 2.2d 螺螺
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第八章.螺纹ç&a

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