cross swivel
常见例句
- This paper also analyzed the compensatory principles and structure, offers a structure that can adapt the change of packing length and cross-cutting swivel continuously.
對放膜結搆、中封牽引器結搆、橫封切斷器結搆等關鍵部件的原理、結搆特點等做了較爲詳細的分析； 返回 cross swivel