• 1. opening-closing cycle: 开闭路循环
• 2. opening-closing cycle transition: 开合旋回转换

• 1.The differential switching system of the clamping cylinder allows high opening and closing speeds and minimal dry cycle times.
  合模油缸的分流切换系统允许高速开合模，使空循环时间最短。
  dict.yoduao.com
• 2.The cycle of geosyncline formation and orogeny can be integrated with the plate tectonics concept of opening and closing oceans in a simple and natural way.
  这种地槽的形成与造山作用的循环可以以一种简单和自然的方式与板块构造的海洋开合理论结合起来。
  dict.yoduao.com

©2026 网易公司