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10/主驅動
Main drive
蝸輪材料選用優(yōu)質耐磨合金銅，由精密機床加工，高級技師精細刮削而成，磨損極小，精度高。曲軸，用鉻鋼高頻淬火處理，使用壽命長。擺桿由球磨鑄鐵鑄造而成，強度高，耐磨耐用。
Worm gear material selection of high quality wear resistant alloy copper, from precision machine tool processing, senior technician fine scraping,wear a very small, high precision. Crankshaft steel with high frequency quenching, long service life. Pendulum polished cast by the cast iron, high strength, wear and durable.
電子執(zhí)照