1) rubber seal ring
橡胶密封圈
1.
Development of rubber seal ring with outer case for push-pull rod;
推拉杆用外嵌骨架橡胶密封圈
2.
Performance analysis of special cross section rubber seal ring;
特殊形状橡胶密封圈的性能分析
3.
The ageing and durability of rubber seal ring for p