This afternoon, in the office of the deputy factory.

The technician personally demonstrated the operation process of the electric toothbrush motor to Li Guoqiang.

As Li Guoqiang nodded, the motor also stopped running.

"Boss, can you try it?"

"Good!" Li Guoqiang nodded.

Then pick up a...

"Courtyard: The Days of Happy Life" Chapter 662 Brother-in-law and sister-in-law are hitting in the hand, please wait a moment,

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