文中剖析了冷备用运行方式的不足，提出了一种基于通风机热备用的倒机方法。
Deficiencies of cold standby are analyzed, and a novel way of main fan switchover based on hot standby is put forward.
为了提高碳钢冷换设备的耐蚀性能，保证设备长周期安全运行，以普碳钢为基体，采用热浴法制备了一种耐腐蚀涂层，并给出了制备冷换设备用耐腐蚀涂层的工艺方法。
In order to enhance the anti-corrosion of carbon steel cooler and ensure the equipments to work safely for long time, a coating was manufactured on the carbon steel.
如错误操作有：运行状态拉合小车、热备用状态合地刀（挂地线）、检修状态合小车等。
Normal positions: running condition, hot standby mode, cold standby mode, maintenance condition, and trolley operation conditions, etc.
如错误操作有：运行状态拉合小车、热备用状态合地刀（挂地线）、检修状态合小车等。
Normal positions: running condition, hot standby mode, cold standby mode, maintenance condition, and trolley operation conditions, etc.
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