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The company is automatic production equipment cold upsetting the professional enterprises.
本公司是生产自动冷镦设备的专业企业。
youdao
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The cold upsetting matrix's life is relatively short in this way.
使用该方法冷镦凹模寿命低。
youdao
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The cold upsetting matrix's life is relatively short in this way.
使用该方法冷镦凹模寿命低。
youdao