A new torque identification strategy of valve electric actuator is proposed.提出一种新型阀门电动装置力矩辨识方法.The abnormality mitral stenosis was in myocardium, not in the valve.二尖瓣狭窄的病变是在心肌而不是在瓣膜.Intracardiac tumors or ball - valve th...
A design example of Kohler illumination system was presented.给出了柯拉照明系统的设计实例.This article presents a technology of pneumatic transmission by pulse Kohler streams.介绍了脉冲气刀式栓流气力输送技术的原理、置、点及工程应用情况,以及在物料气力输送中对节能和环境保护所起的积极作用.He...