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Outer diameter d1 (mm): 25Hole inner diameter d2 (mm): 6.1Hole outer diameter d4 (mm): 12Height h1 (mm): 8Height h2 (mm): 4Material: Steel, carburizing quenching, black dyeing, built-in retainer ring
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18G
大盒子中的物品数量是存储在一个小盒子中并盒装在大盒子中的数量。
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