- 搜標(biāo)題
- 搜題干
- 搜選項(xiàng)
單項(xiàng)選擇題
當(dāng)瓦氏位投照時(shí)，聽(tīng)眥線(xiàn)與暗盒夾角應(yīng)為()
A．0°
B．45°
C．23°
D．15°
E．37°
