The system consists of two air blowers (one of them as a common spare), air piping and grid distribution pipe.

这个系统包括两个送风机（其中一个备用）、空气管和氧化空气分布管。

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The system consists of two air blowers (one of them as a common spare), air piping and grid distribution pipe.

这个系统包括两个送风机（其中一个备用）、空气管和氧化空气分布管。

youdao