Comparison research of metronidazole combined with ultrasonic technique and chlorhexidine combined with ultrasonic technique for endodontics by one time是什么意思_Comparison research of metronidazole combined with ultrasonic technique and chlorhexidine combined with ultrasonic technique for endodontics by one time在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句