有国际学生,安全背景不够……
也不想带个小黑人搭车,申请不到房顶……
只有华人家长来。
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20K人刀
-甜蜜爸-
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03/26/2024 postreply
07:15:03
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有没有可能自己3D打印?我有个同事做无人机,零件都是自己打的
-oops_yz-
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03/26/2024 postreply
07:28:43
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要金属的,3D打印是塑料的
-甜蜜爸-
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03/26/2024 postreply
07:39:46
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