Poincare-Birkhoff扭转定理
Poincare-Birkhoff twist theorem
保面积扭转映射
area-preserving monotone twist map
肠扭转
midgut volvulus
Unqualified visual loss both eyes
water-filled balloon method
intestine torsion
twisted intestine
intestinal volvulus
gut tie
torsion of intestine
volvulus
车体扭转刚度
torsional rigidity of car-body
船体梁扭转极限承载能力
ultimate torsional moment
大塑性扭转挤压
severe plastic torsion straining
带切口金属扭转圆杆
Metal bars with circumferential notch
带有切断-扭转直肋的肋化管
cut-and-twisted finned tubes
单侧睾丸扭转
unilateral testicular torsion