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新型摆线转定子副 |
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点评
可是粉未冶金件在***后是一定需要烧结的,不烧结就基本上相当于豆腐渣,没有任何实用价值的,而烧结后的内齿形,真的需要提高精度时,就无从下手了。如果是锻钢的产品,不热***还尚可用一下,也是不耐磨的。
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