This article provides available methods and series of data on drawing and test of landing sector in throwing events, Which can be used by the field officials and judges when they are working on the field.是什么意思_This article provides available methods and series of data on drawing and test of landing sector in throwing events, Which can be used by the field officials and judges when they are working on the field.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句