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...
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...
If you take both dresses, I'll knock ￡2 off.你要是两套衣服都买, 我就减价两英镑。I’ve had a look at the dresses in the new boutique,but they’re nothing to write home about.我瞧了一眼流行女装商店的那几件新衣服,它们并不怎么样。She dresses with great panache.她穿著...
临近排卵期，雌激素的分泌量随之增加。As ovulation gets nearer, oestrogen levels rise.雌激素是一种雌性荷尔蒙。Oestrogen is a female sex hormone.所有的性激素, 例如雌激素 、 黄体酮和睾酮都是类固酮.All the sex hoymones, e . g. estrogens, progesterone, and testosterone, are ster...
Comparison interventions included non - iodised salt, iodised water, iodised oil, iodation with potassium iodide versus potassium iodate.作对照的干预措施包括无碘食盐 、 碘化水 、 碘油, 以及碘酸钾与碘化钾作对照.The pound continued to sag despite four int...