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1. 乒(pīng)乓(pāng)球(qiú)拍(pāi)檢(jiǎn)測(cè)的(de)重(zhòng)要(yào)性(xìng)和(hé)背(bèi)景介(jiè)绍 乒(pīng)乓(pāng)球(qiú)作(zuò)爲(wèi)一...