时效快,价格低,安全性强!
吉祥邮:优势:客服服务好,增值服务多,入库速度时效快,有邮件通知,经常有活动优惠。
Auspicious mail: advantages: customer service, value-added services, warehousing speed aging fast, there is a message notification, there is often a preferential activity.
快冷段冷速和过时效温度对烘烤硬化性能均无明显影响;
The cooling velocity of fast cooling section and over aging temperature have no significant effect on bake hardening property.
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