Servos for large radars and launchers are either electro - hydraulic or all - electric.大型雷达和发射装置的伺服系统,不是电动 - 液压式的,就是全电动式的.In fact, it was clear that those were the electro - magnetic waves of Maxwell's theory.事实上, 很...
And theoretical basis is presented to further apply nozzle - flapper valve to two - stage electro - hydraulic servo valve .较快的响应速度;为进一步将其应用于两级 电液伺服 阀提供了设计和实验依据.Objective To study the effects of electro - acupuncturing po...
The poverty of 10 million citizens not only demeans our society but its cost also hobbles our economy.1,000万的贫困人口不仅给我们的社会抹黑，而且在这上面的支出也阻碍了我们的经济发展。She demeans herself by doing his dirty work.她替他干卑鄙的勾当,贬低了自己的人格.Some groups ...
他们一起站在门廊上按响了门铃。They stood together on the stoop and rang the bell.她按门铃时身子在门廊里缩成一团。She huddled inside the porch as she rang the bell.有成千上万页广告堆在我们的门廊上.There are thousands of pages of advertising on our porch....