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...
With these extras your PC will become the all singing, all dancing box the salesman claimed it would be.有了这些外加设备，你的电脑就成了推销员口中的技术先进，功能齐全的盒子了。We need a thousand extras for big crowd scene.在拍摄群众大场面时,我们需要上千名临时演员.There are no...