DC drive是什么意思

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用法例句

In this artical partial working theories of electrical drilling rig was analysed initially, such as the requirments of electrical drive for the working machine,the working principles of SCR DC drive and VFD AC drive,analysis of characters of DC and AC motors,the four quadrant motion and principles of energy brack etc.

文章就电动钻机的部分工作理论作初步剖析,包括钻机工作机组对电驱动的要求,可控硅直流电驱动和交流变频电驱动的工作原理,直流电动机和交流变频电动机等的特性分析,电动机的四象限运行和能耗制动原理等。

Discussion on advantages of MF inverter DC resistance welding;

中频逆变直流电阻焊优势探讨

The design and application of the KYZ-250/550 type dc impulse speeder of stringing locomotive;

KYZ—250/550型直流架线电机车脉冲调速器的设计与应用

DC energy conservation control transform of hoist AC contactor;

提升机交流接触器直流节能控制改造