【医】锥形头食管探条

bougie oesophageal speech oesophageal commissure oesophageal lead conical conical roll conical roller conical shock conical boring conical combustor conical pipe conical breaker oesophageal bougie conical bougie Killian's oesophageal bougie olivary oesophageal bougie hollow type oesophageal bougie tongue shape oesophageal bougie Hurst's oesophageal bougie Eiselsberg's oesophageal bougie soft rubber oesophageal bougie Borchers' oesophageal bougie conical urethral bougie