["2. 26 июля 2217 года решите задачу,

2017-06-20View Original

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单选题（答错为零分）烟气余热回收系统的启动步骤是（ A ） A、先开鼓风机，鼓风系统运行正常以后，再开引风机。 B、先开引风机，引风系统运行正常以后，再开鼓风机。发帖1天后回复不评分，谢谢回复

Reply #22017-06-20

B、先开引风机，引风系统运行正常以后，再开鼓风机。

Reply #32017-06-20

A、先开鼓风机，鼓风系统运行正常以后，再开引风机。

Reply #42017-06-20

烟气余热回收系统的启动步骤是（A） A、先开鼓风机，鼓风系统运行正常以后，再开引风机。 B、先开引风机，引风系统运行正常以后，再开鼓风机。

Reply #52017-06-20

烟气余热回收系统的启动步骤是（B A、先开鼓风机，鼓风系统运行正常以后，再开引风机。 B、先开引风机，引风系统运行正常以后，再开鼓风机。

Reply #62017-06-20

A、先开鼓风机，鼓风系统运行正常以后，再开引风机

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