This house has ten rooms with a floor space of 200 square meters. 這棟房子有十間房間，樓面面積為二百平方公尺。
To create a more durable ball, racket parchment replaced by wooden boards, making area to enlarge, the handle grip is also lengthened. 球製造得比較耐用，拍子由木板改為羊皮紙板，拍面面積放大，握把的柄也加長。
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電信業務許可證編號：滬B2-20190700
