If the filament transformer has a center tap, don't use it.
如果变压器灯丝绕组有抽头，请不要使用它。
If the customer is responsible for the transformer.
如果客户负责变压器的使用。
If the filament transformer has a center tap, don 't use it.
如果变压器灯丝绕组有抽头，请不要使用它。
If the filament transformer has a center tap, don 't use it.
如果变压器灯丝绕组有抽头，请不要使用它。
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