Place the cover onto the spring with the internal guide on the cover positioned inside the endcoil.
将阀盖及阀盖上的内部引导放置在弹簧上，定位内部端线圈。
2
The factors affecting fatigue life of coiled steel springs for bogies are expounded from such aspects as purity of raw material, surface quality, spring corrosion and structure of endcoil.
从原材料纯度、表面质量、弹簧腐蚀及端圈结构等几个方面阐述了影响转向架钢制螺旋弹簧疲劳寿命的因素。
3
Tail: as in wire tail. The end, or last few feet of a coil of wire.