短語(yǔ)詞組短語(yǔ)fissure e bur 牙裂鉆fissure round bur 裂圓鉆taper fissure bur 再以長(zhǎng)形外科鉆針tapered fissure bur 錐形裂鉆straight fissure bur 直裂鉆dental fissure bur 裂鉆pointed -end fissure bur 尖頭裂隙鉆頭flat -end fissure bur 平頭裂隙鉆頭end -cutting fissure bur 端切裂鉆 返回 fissure bur