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油淬硬齿轮
meaning in English
oil hardened gear
Related Words
淬
软淬
端淬
淬硬性
淬硬
冯淬
淬裂
上淬
水淬硬
寒冷冷淬
油淬火检验
油淬气冷真空炉
油淬硬钢
油淬硬化
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