1.
Undervoltage (Voltage Drop).
欠电压(电压降低)。
2.
A step-down transformer can reduced a voltage to whatever value is desired.
降压变压器能把电压降到所需的任何值。
3.
Note the polarity of the voltage drop across R.
注意r上电压降的极性。
4.
Voltage sag and Momentary Outages Protection.
电压降落与瞬间停电的保护
5.
The Theoretical Study on the Voltage Drop in Lead Acid Battery;
关于铅酸蓄电池内电压降的理论研究
6.
The voltage has dropped five times.
电压降低了五分之四。（或：电压为原来的五分之一）
7.
drooping voltage generator
电压下降特性发电机
8.
hydraulic elevator
液压电梯;液压升降机;水力提升机;水压升降机
9.
electrohydraulic coil lifter
电动液压式带卷升降台
10.
voltage drop compensation directional relay
压降补偿式定向继电器
11.
The voltage had been reduced in stages.
电压一直在逐步地降低。
12.
Thus, the terminal voltage drops to zero.
这样，路端电压就降到零。
13.
JEDEC ? The input threshold voltage when the input voltage is falling.
在输入电压下降时的输入门限电压。
14.
They discovered a drop in pressure in the fuel cells that supplied electricity.
他们发现供电的燃料电池电压下降。
15.
The Research of Distribution Transformer Chopped Impulse Overvoltageproof Reactor;
能降低配电变压器截波过电压的电抗器的研究
16.
Analysis and Suggestions of Voltage Dips in Quanzhou Power Network
泉州地区电网电压骤降的分析及建议
17.
Slip steady economy power research for induction motor
异步电动机降压恒转差节电效果分析
18.
Statistics and Analysis and Prediction and of Voltage Sags in Xingtai Electric Network;
邢台电网电压暂降的统计分析与预测