Adjustable non - load - bearing spring hinge for fire protecting doors 防火门用可调节非承重弹簧铰链
2.
Clutch release bearing spring 离合器放松轴承簧
3.
The pressure - bearing springs designed as inserted parts can make reliable mechanic and electric connections inside the ps system holes 作为插入件所设计的承压弹簧可在ps系统孔中形成可靠的机械和电气连接。