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[wmv=314,256,0]XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX,
视频中电弧只能在电极最近处拉弧,用嘴吹气,可以让电弧离开,但很快就重新回到原位。以此证明导致电弧上升的动力来自与空气的被加热。
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怎么播放不能呢?谁帮忙弄一下
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[wmv=314,256,0]XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX,
视频中电弧只能在电极最近处拉弧,用嘴吹气,可以让电弧离开,但很快就重新回到原位。以此证明导致电弧上升的动力来自与空气的被加热。
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
怎么播放不能呢?谁帮忙弄一下