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淬硬磨光蜗轮
meaning in English
hardened and ground worm
Related Words
蜗轮蜗杆千斤顶
淬
软淬
端淬
淬硬性
淬硬
冯淬
淬裂
上淬
水淬硬
淬硬合金钢
淬硬接头
淬硬区
淬硬区裂纹
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