If the stand-by generator engine fails to start, the emergency generator is to be automatically started 30 seconds after the trouble happens.
若备用发电机组不能启动，应急发电机应在故障发生30秒后自动启动。
If the stand-by generator engine fails to start, the emergency generator is to be automatically started 30 seconds after the trouble happens.
若备用发电机组不能启动，应急发电机应在故障发生30秒后自动启动。
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