1.
Firmly press downward to seat seal on flange.
稳固地向下压将座椅密封压入凸缘中。
2.
hydraulic roll screwdown
液压式轧辊压下装置
3.
The floor gave way under the weight.
地板在重压下坍了下去。
4.
slabbing action
板坯的垂直压下或侧压下
5.
To exert downward pressure on(a button or keyboard, for example;press.
按，压下在（按钮或键盘上）施加向下的压力；压，按
6.
Of or at low potential or voltage.
低（电）压的低位的或低电压的，或在低电压下的
7.
Voltage and Current Response of Transformer under Step Voltage Excitation
阶跃电压激励下变压器的电压响应及电流响应
8.
Systole presses heighten, diastolic pressure drops, pressing of arteries and veins also increases accordingly.
收缩压增高，舒张压下降，脉压也相应增大。
9.
Design of Low Drop-Out Regulator with Low Voltage
低电源电压下低压差线性稳压器的设计
10.
Analysis on dynamic characteristics of pressure pump for hydraulic screw down system in cold rolling mill
轧机液压压下系统恒压变量泵动态特征分析
11.
Operating at low voltage.
使用低电压的在低电压下运行的
12.
long-stroke hydraulic snubbing unit
长行程液压不压井起下作业装置
13.
Both systolic and diastolic pressures are recorded.
收缩压和舒张压均可记录下来。
14.
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。
15.
Research on pressure distribution for full-hydraulic underground coiler machine
全液压地下卷取机卷筒压力分布研究
16.
Variable factor control of AGC for hot strip mills
热连轧机液压压下变系数控制的应用
17.
Compression heating characteristics of foods during ultra high hydrostatic pressure processing
超高静压下食品压致升温规律的研究
18.
input current at positive-going threshold voltage
正向阈电压下输入电流