滑动部分 meaning in English

slipper

Use double seal rings ; install hair string and anti - water rubber , and use elastic seal string around the corner of doors and windows , and adopt all dry configurations to achieve excellent seal performance for air , humidity and sound
双道环形连续密封结构，滑动部分装有特殊设计的毛条及防水胶条，门窗四周采用弹性密封条镶嵌密封，全干法结构，使窗具有良好的气密、水密和隔音性能。