第 六章 、 投球规定 (PITCHING REGULATIONS) l.投手双脚结实的着地，使用单足或双足与投手板接触。
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pitching regulations
投手规定
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Amid stricter regulations on promoting credit cards on college campuses, some financial firms are instead pitching prepaid debit cards.
WSJ: Companies Push Prepaid Debit Cards Catering to College Students
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