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Light Industrial Machinery Gears
Big round machine drive gear（Upper gear 2.5M57 teeth）
Big round machine drive gear（Upper gear 2.5M57 teeth）
Upper gear 2.5M57 teeth
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上齒輪2.5M57齒1.jpg上齒輪2.5M57齒3.jpg上齒輪2.5M57齒7.jpg

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