Adjustable speed electrical power drive systems - part 5 - 1 : safety requirements ; electrical , thermal and energy iec 61800 - 5 - 1 : 2003 - 02 ; german version en 61800 - 5 - 1 : 2003 可调速电力传动系统.第5 - 1部分:安全要求.电热及能
Adjustable speed electrical power drive systems - part 1 : general requirements - rating specifications for low voltage adjustable speed d . c power drive systems 调速电气传动系统第1部分:一般要求低压直流调速电气传动系统额定值的规定
The article quantificational studies the relation between gas quantity and voltage amplitude and pulse width of pulse supply power driving valve 文中对该类型阀门特性之一的进气量与所施加的脉冲电压幅值和脉宽的关系进行了定量研究。
Adjustable speed electrical power drive systems part 2 : general requirements - rating specifications for low voltage adjustable frequency a . c . power drive systems 调速电气传动系统第2部分:一般要求低压交流变频电气传动系统额定值的规定
Adjustable speed electrical power drive systems - part 1 : general requirements - rating specifications for low voltage adjustable speed d . c . power drive systems 可调速电力驱动系统.第1部分:一般要求.低压可调速直流电驱动系统的额定值规范
Adjustable speed electrical power drive systems - part 1 : general requirements - rating specifications for low voltage adjustable speed d . c . power drive systems 可调速的电驱动系统.第1部分:一般要求.低电压可调速的直流电驱动系统的额定规范
Secondly , research on the system movement of lijin , finding the right power driving lijin system to transform by reviewing transitional track of it 其次研究厘金制度变迁，即通过考察厘金制度变迁的轨迹，意在揭示推动其变迁的深层次原因。
Adjustable speed electrical power drive systems - part 2 : general requirements - rating specifications for low voltage adjustable frequency a . c . power drive systems 可调速的电驱动系统.第2部分:一般要求.低电压可调频的交流电驱动系统的额定规范
Safety of machinery - equipment for power driven parking of motor vehicles - safety and emc requirements for design , manufacturing , erection and commissioning stages 机械安全.机动车辆动力驱动停车设备.设计建造安装和调试阶段的安全和emc要求
A shift in marketing strategy - from growing with the industry to a more rapid attainment of market share - is the power driving this increase in competition 市场策略的变换从随着行业一起增长到更快地获得市场份额是驱动这种竞争不断增长的动力。
