CINQUIEME POSITION; FIFTH POSITION
plane position indication [= plane position indicator] {= PPI}
Position control(Position-keeping)
Position-to-position tool change time
QUATRIME POSITION; FOURTH POSITION
SECONDE POSITION; SECOND POSITION
TROISIME POSITION; THIRD POSITION
genioglossus advancement with hyoid suspension
greater cornu of hyoid bone
hyoid
舌骨
舌骨悬吊术
舌骨形的
有Y状的
舌骨的
U字形的
舌骨弧