The referee should provide guidance to describe the amount of racket damage that
will be tolerated. In general, slight damage around the edge of a racket may be permitted
depending on the extent; but significant blade damage, or a crack, chip, or missing pimple in the
hitting area usually will have to be reported.
按照乒联的规则在击球区域有掉粒就不行吧，当然看执法程度了。
【 在 watchdogs 的大作中提到: 】
: 好像是不超过20%就可以。
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FROM 192.19.140.*