本实用新型涉及机动车新型灯泡座，它是由灯泡座筒、滑动板、弹簧组成的。

The utility model relates to a motive vehicle bulb socket, comprising a bulb socket cylinder, a sliding plate and a spring.

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当这发生时，气门弹簧紧紧地封闭气门口，叫做气门座。

As this occurs, valve springs pull the valve tightly closed against its opening, called the valve seat.

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介绍了PW 200k型转向架空气弹簧复合座的结构特点，对该部件进行了改进设计和强度校核计算。

The structure features of the air spring on PW200K bogies are described. The design improvement and strength checking calculation are made for the part.

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