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...
Ostracodes are small animals, most of which have a two valved shell.介形虫是小型动物, 其中大部份都具有两瓣的外壳.A large, valved, brass wind instrument with a bass pitch.大型带活塞的低音铜管乐器.Q 20 : Can a valved respirator be used for protection from...