The appearance and structure design of the mechanical arm should consider the dirt resistance and light weight. In the case of equal weight, the process should be considered first. The most important thing is that the movement of the mechanical arm does not interfere after the shell is installed.
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Rush ah, surprised by the design of heaven and man
Add chicken legs to the big brother
Excellent
This did not see the grip.
Finally, I saw the work of the big brother. It was really amazing and brought a new dawn to the depressed Tuesday. It was really a fascinating design.