重发球。一次发球碰网，就会从头举行发球。可是对此没无限制大概责罚。
An otherwise legal serve that is replayed because it touched the net. There are no limits or penalties associated with let serves.
重发球。一次发球碰网，就会从头举行发球。可是对此没无限制大概责罚。
An otherwise legal serve that is replayed because it touched the net. There are no limits or penalties associated with let serves.
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