有懂行的给科普一下,为什么那根线能那么准确地跟着冰球走。难道球里有个小发射机? 那根线是和中场线平行的。
有懂行的给科普一下,为什么那根线能那么准确地跟着冰球走。难道球里有个小发射机? 那根线是和中场线平行的。
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