短語詞組短語fissure e bur 牙裂鑽fissure round bur 裂圓鑽taper fissure bur 再以長形外科鑽針tapered fissure bur 錐形裂鑽straight fissure bur 直裂鑽dental fissure bur 裂鑽pointed -end fissure bur 尖頭裂隙鑽頭flat -end fissure bur 平頭裂隙鑽頭end -cutting fissure bur 耑切裂鑽 返回 fissure bur