The secondary spring mounting holders are further provided with second rib plates.
该二系簧安装座上还设置有第二筋板。
A newly developed device for locomotive secondary spring load test and adjustment is presented. Its construction, technical features, work principle, and application are also described briefly.
简要介绍了车体称重调簧试验装置的结构、技术性能和工作原理，以及该装置在电力机车二系支承载荷调整中的应用。
The spring back and secondary yielding of cylindrical billets in elastic tools during upsetting and closed-die upsetting are analyzed.
对圆柱形工件在弹性工具中镦粗和闭合模镦粗时的回弹和二次屈服进行了分析。
Rubber sandwich spring is widely used in the world as an elastic element of secondary suspension on locomotives.
橡胶堆旁承作为机车二系悬挂的弹性元件，已在国内外铁路上得到了广泛的应用。
The main umbrella has trap door on the top, the secondary umbrella covers the trap door, and the spring presses the secondary umbrella.
主伞的顶部开有“天窗”，“天窗”的上端罩有副伞，副伞的上端压有弹簧。
The utility model discloses a sealing and unsealing device for a bottle mouth, comprising an opener with eccentric feet, primary and secondary rotors, a spring, etc.
本实用新型是一种瓶口启封装置，它由带偏心脚的启子，主、副转子，弹簧等组成。
The utility model discloses a sealing and unsealing device for a bottle mouth, comprising an opener with eccentric feet, primary and secondary rotors, a spring, etc.
本实用新型是一种瓶口启封装置，它由带偏心脚的启子，主、副转子，弹簧等组成。
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