1.
ON THE SPD TESTING CONTENT AND TESTING METHOD OF THE ELECTRIC DEVICE IN BUILDING
论建筑物电气装置中电源SPD的检测内容和方法
2.
Study on the Protection and Coordination of Surge Protective Devices in Low-Voltage Distribution Systems;
低压配电系统中SPD保护和配合的研究
3.
Installation of SPD in TT-Style Low-Voltage Distribution System
TT制式低压配电系统SPD安装方式
4.
Application of SPD in the Residential District Power Supply System
浅析SPD在住宅小区供电系统中的应用
5.
Choice and Usage of Surge Protection Device(SPD)
浅谈电涌保护器(SPD)选择及应用
6.
Effects of Exogenous Spermidine(Spd) on Seed Germination and Physiological and Biochemical Characteristics of Pepper Seedling under Salt Stress
外源亚精胺（Spd）对盐胁迫下辣椒种子萌发和幼苗生理生化的影响
7.
Experimental Investigation of 50 Hz Continuous Current of Switching Type SPD under Different Impulse Currents
开关型SPD在不同冲击电流下的工频续流实验研究
8.
The proper and most cost-effective method to protect against locally generated transients is to use smaller and less expensive SPDs directly at the local service panels.
最经济有效的方法是在本地配电盘处直接使用小型低成本的SPD防护局部产生的电涌。
9.
Research Development About SPD Extrusion Technology of Wrought Magnesium Alloys with High Performance
高性能变形镁合金SPD挤压技术的研究进展
10.
Discussion about On-line SPD Safety Performance Detection and Monitoring of Low-voltage Line
低压线路在线SPD安全性能检测及监测探讨
11.
power off relay
停电用电源转换继电器
12.
Therapeutic Effect of Simultaneous Expression of 4-1BBL and sPD-1 in Vivo on Experimental Murine Hepatoma;
sPD-1和4-1BBL体内联合表达对小鼠实验性肝癌的治疗作用的研究
13.
Induction Effect of Spd on Salt Tolerance in Tomato Seed Germination and Seedling
Spd诱导NaCl胁迫下番茄种子萌发和幼苗耐盐性效应研究
14.
Laser Power Supplies, Module Power Supplies, Fully-encapsulated Power/ Voltage/ Current Transformers.
固体激光电源、导体激光电源、块电源、装式电源变压器、压电流互感器。
15.
extragalactic double radio sources and multiple radio sources
河外射电双源和多重源
16.
Switch off the gas, power, etc at the mains
切断煤气源、 电源等
17.
Low voltage DC power is also provided for control power and emergency power.
低压直流电作控制电源和应急电源。
18.
"Shutdown the PC, disconnect the power cord"
关闭电脑电源并且断开电源线。