The pull control of long transportation belt is a very important link in the entire transportation system.

长输送带的拉力控制是整个输送系统的一个十分重要的环节。

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The pull control of long transportation belt is a very important link in the entire transportation system.

长输送带的拉力控制是整个输送系统的一个十分重要的环节。

youdao