求翻译：空气干燥器双塔交替使用，其中一个用于干燥压缩空气，另一个则用于再生。运行状态通过脉冲电磁阀上的气压指示器显示。当某个塔处于再生状态时，会出现一个红色销针上升，双塔上的销针应交替出现。当左侧销针上升开始计时，记录到左侧销针下降，时间应为180S±5s，从左侧销针下降开始计时，记录到右侧销针上升，时间应为60S±5s。当右侧销针上升开始计时，记录到右侧销针下降，时间应为180S±5s，从右侧销针下降开始计时，记录到左侧销针上升，时间应为60S±5s。是什么意思？

Air dryer, the twin towers used interchangeably, one for drying compressed air, the other for regeneration. Run state by a pulsed solenoid valve on the pressure indicator. When a tower in the regeneration status, there will be increased by a red pin-pin, the pin on the twin towers should be alternat

air dryers used alternately twin towers, one for dry compressed air, and the other one is used for regeneration. Running through the solenoid valve on pulse pressure indicator display. When a tower is in regeneration status, a red pin, the twin towers rising on the pin should be alternated. When the

The atmospheric drier double tower uses in turn, uses in the dry compressed air, another uses in regenerating.Running status through pulse solenoid valve on gas pressure indicator demonstration.When some tower is at the regeneration condition, can appear a red spike rise, in the double tower spike s

Air dryer twin towers used interchangeably, one for drying of compressed air, and the other is used to regenerate. Running through pulses solenoid valve pressure indicator on display. When when a tower is regeneration, will appear with a red pin up, PIN on the twin towers should be alternating. When

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