比3层楼还要高的“船用螺旋桨”,是怎么造出来的?为什么它的表面会有那些闪闪发光的纹路呢?【科学火箭叔】 from www 鐖浆鐖板憠锝︼溅鐖娇鐖桨 video 2gp 鐖拷锟– Watch Video
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