单项选择题
A.0.3~0.5mlB.0.5~1mlC.1mlD.1.5~2mlE.2~3ml
A.腭前神经B.眶下神经C.上牙槽后神经D.上牙槽中神经E.鼻腭神经
A.0.3~0.5mlB.0.5~1mlC.1~1.5mlD.1.5~2mlE.2~3ml