This paper probes the structure and working process of auto distributor push off centred advance machine and its design calculation methods are given.
探讨了汽车分电器推板式离心提前机构的结构和工作过程，给出了它的设计计算方法。
The design thinking of multi-cavity mold for the rubber dust cover, taking off and working process are introduced.
介绍了橡胶防尘罩多腔模具设计思路、产品取出及操作过程。
When the pump starts working, the self-priming process can be achieved, and the valve of water-ejecting will be shut off automatically to stop the working of jet flow system simultaneously.
泵运转时，不仅可以完成自吸过程，而且可以将自循环射流器上的阀门关闭，射流器同时停止工作。
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