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Circle surface of metal brake ring operated by quenching.
钢制动轮外圆表面经淬火处理。
youdao
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Old and new technology for eccentric brake ring have been compared with and analysed.
分析比较了偏心制动圈的新旧加工工艺。
youdao
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Old and new technology for eccentric brake ring have been compared with and analysed.
分析比较了偏心制动圈的新旧加工工艺。
youdao