如果频带中只有一个信道可用，可以选择使用1 + 1热备用配置实现设备保护。
If only one channel is available in the frequency band equipment protection can be optionally implemented with a1 + 1hot standby configuration.
滑线若是运用现场没有满足的备件，而换热设备既无备用台份，又不能停机时，应进行现场的简洁处置。
Slip line and if the use of spare parts of the site does not meet, neither spare TaiFen and heat exchange equipment, cannot stop again, should be the scene of the concise and disposal.
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.
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