The third work of the university
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Hello, can you use your last scene map? The hat will be changed.
Looking at the national standard, the safety helmet seems to have ventilation holes and top ribs. I don't remember it clearly. I don't know if it must be
Hello, can I borrow your last scene map? Will cover up your product
Great
If these functional modules are made replaceable, they can be installed according to different needs, which will feel better.
Platform encounter ~
The idea is expressed. It is not easy. It would be better to have the principle of this kind of detection.