n.螺旋结构;
英文例句/中文翻译:
Study of Helix Behavior in High Speed Extrusion of Polypropylene
聚丙烯高速挤出的螺纹畸变行为的研究
Study on fuzzy optimal design of cylinder helix spring
圆柱螺旋弹簧的模糊优化设计与研究
The Relationship Between the Helix Theory and Some Empirical Rules
螺旋理论与一些经验规律的关系