[名词解释] root canal
[名词解释] 斗渠(lateral canal)
[单选题]Vessels transiting the Canal must have their gangways and derricks ________A.readjustedB.removedC.loweredD.rigged in
[单选题]股疝经股环,股管突出于( )。A.股三角内B.股部小转予部位C.腹股沟韧带上方D.腹部卵圆窝E.以上均不是
[单选题]股疝经股环,股管突出于( )。A.股三角内B.股部小转予部位C.腹股沟韧带上方D.腹部卵圆窝E.以上均不是
[单选题]股疝经股环,股管突出于( )。A.股三角内B.股部小转予部位C.腹股沟韧带上方D.腹部卵圆窝E.以上均不是