Methods: Trocar puncture was practiced under genuine direct vision after phlehotomy for 52 severe patients who failed undergoing venous puncture.是什么意思_Methods: Trocar puncture was practiced under genuine direct vision after phlehotomy for 52 severe patients who failed undergoing venous puncture.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句