Implanted in the position of aortic valve,DAV can serve as either a n assistant pump or a mechanical valve subjected to the power input.是什么意思_Implanted in the position of aortic valve,DAV can serve as either a n assistant pump or a mechanical valve subjected to the power input.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句