轨腰: web of the rail轨: rail; track腹: abdomen; belly; stomach轨腹: rail web; web of railweb轨腰: web of the rail◇轨腰裂缝 split轨腹接续线: rail-web bond轨腰裂缝: split web轨腰劈裂: piped rail轨腹上圆弧接触夹板: head free flat joint bar轨旋耦合: spin-orbit coupling轨一: kiichi轨旋真空计: orbitron gage轨一郎: kiichiro轨旋跃迁: spin-orbit transition轨仪: rule form轨旋管: orbitorn; orbitron
