主缸的速度换接与安全行程限制通过行程开关来控制;
Master cylinder for the speed of access restrictions and security through the trip exchanging to control switches.
串联电阻法与双线圈换接法是两种提高直流电磁开关返回系数的常用方法。
In this paper two methods to elevate the return factor of the d.
串联电阻法与双线圈换接法是两种提高直流电磁开关返回系数的常用方法。
In this paper two methods to elevate the return factor of the d.
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