BKD

Common faults, precaution and operating characteristic of BKD 1-400/ 1140,660 flame-proof type Vacuum feed Switch.

论述了BKD1-400/1140、660隔爆型真空馈电开关工作特性，常见故障及预防措施。

The servo-controlled system of motor vehicle variable cross section spring leaf program controlled rolling machine BKD series developed in late years is analyzed.

分析了近年研制的BKD系列程控汽车变截面板簧轧机的伺服控制系统。

Objective: To observe the therapeutic effect of Buzhong Kangwei Decoction ( BKD) combined with food therapy in treating chronic atrophic gastritis ( CAG).

目的：观察补中康胃汤联合食疗治疗慢性萎缩性胃炎（CAG）的临床疗效。

Analysis of Circuits on BKD Series 3-Phases SCR Speed Control System for DC Motor

BKD系列三相可控硅直流调速电源电路的研究

This paper introduces the performance parameters of flameproof current limit feeding switch BKD 100/ 660 for mine.

介绍了BKD100／660型矿用隔爆型限流馈电开关的性能参数，重点阐述了本开关的电气工作原理、限流断路器的限流特性。