Businesses had deferred purchases of servers during the economic down times to save costs, extending the replacement cycle for products that tend to have a working lifespan of about five years.
在经济低迷时期，企业推迟购买服务器以节省成本，延长了产品的更换周期。服务器的使用寿命通常为5年左右。
Strategy on roller replacement at a fully automatic continuous rolling mill, together with its equipment inspection and replacement cycle in production management, has been studied and discussed.
针对某轧钢厂自动化全连续轧机的生产管理中存在的设备检查、更换周期问题，对自动化连续轧机换辊策略开展研究和探讨。
Strategy on roller replacement at a fully automatic continuous rolling mill, together with its equipment inspection and replacement cycle in production management, has been studied and discussed.
针对某轧钢厂自动化全连续轧机的生产管理中存在的设备检查、更换周期问题，对自动化连续轧机换辊策略开展研究和探讨。
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