it is not allowed in pingpong; however, in a recent pingpong vedio, i found it legal now. Did I remember right? Maybe it has always been legal in pingpong?
thanks for explaining pingpong. I though previously
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我想應該沒變化吧。羽毛球沒這可能,除非傻冒非要去打界外球。。網球乒乓也很難有這種機會,都是極其偶然的,打到都精彩
-過-
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09/01/2018 postreply
19:00:11
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排球不同,可以自個擊三次球。。
-過-
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09/01/2018 postreply
19:01:25
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thanks.
-Smart-
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09/01/2018 postreply
19:20:14