在快速眼动睡眠期，我们大脑的脑电活动反映了我们醒着时大脑的活动。
During REM sleep, our brain's electrical activity mirrors its activity when we're awake.
研究了固体浓度对方解石动电行为的影响。
The effect of solid concentrations on the electrokinetic behavior of calcite was studied.
介绍了一种直动式电液数字伺服阀的结构原理及其控制方法。
The operation principle and control method of electro-hydraulic digital servo valve are first introduced.
推杆的使用请查阅《电液动推杆使用说明书》。
Use for push rod see the "Operation instruction of electric hydraulic push rod."
推杆的使用请查阅《电液动推杆使用说明书》。
Use for push rod see the "Operation instruction of electric hydraulic push rod."
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