Install shoe upper and lower return sprinNeedle nose pliers can be used to connect spring to each shoOperate lever to verify that shoes expand and retract properly.
安装蹄片上部和下部返回弹簧。使用针针嘴钳连接弹簧至每个蹄片。操作拉杆确认蹄片放开和收回正确。
2
Its main performance is better than the natural white emulsion and the cost is lower than that. So such adhesive is a very practical adhesive for shoe materials.
该胶粘剂的主要性能优于天然白乳胶，其成本低于天然白乳胶，是一种很有应用价值的鞋用材料胶粘剂。
3
The lower part of the lower traveling valve is connected to a guide shoe with diversion hole and diversion trench.