constant direct current-stimulation

Objective To explore the effect of low constant direct current (LCDC) in the medullary cavity on repairing of rabbit radial defect as to evaluate its clinical value.

目的　探讨髄腔内恒定低压直流电刺激对家兔桡骨缺损的修复作用及其临床应用价值。

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