’Direct Through’of B type
1 000 kV ultra-high voltage direct current
1 kV cables of direct buria
累加器
储能电路
存储器
蓄电池
1kV直埋电缆
4丁酸苯酯
110kV direct step-down rectifying equipment
135 MW direct air cooling unit
351 alternating and direct square-waves argon arc welding machine
351 alternating and direct square-waves argon are
3-D direct current survey
救护飞机(Airam bulances)
三维直流电法
4 stages of direct air-cooling development
4100 direct injection diesel engine
4-aminopyrine direct colorimetric method
600MW direct air cooling unit
A method of direct measurement of high voltage
A New type of Direct Operated Disconnector
abandon catalyst in direct synthesis methylchloros
AC AC direct transformation control
AC electrification railway with direct power supply system