通过与德国弗劳恩霍夫研究所合作，具有最佳人体工程学设计的卡瓦手机绝对是一项杰作。
Working in partnership with Germany's Fraunhofer research institute, KaVo's handpiece, whose design reflects the very best in ergonomics, is an absolute masterpiece.
通过与德国弗劳恩霍夫研究所合作，具有最佳人体工程学设计的卡瓦手机绝对是一项杰作。
Working in partnership with Germany's Fraunhofer research institute, KaVo's handpiece, whose design reflects the very best in ergonomics, is an absolute masterpiece.
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