Both frequency and voltage are important electric parameters in power system.
频率和电压是电力系统中的两个重要电气量。
The frequency measurement is of practical value in electric industry.
频率测量在电力工业中极具实用价值。
Electric shock and head, strength, vibration frequency is high, up to 25000 times per minute.
电动式(可选气动)震动刀枪头，力量强劲，震动频率高，每分钟可达25000次。
High frequency electric knife or electric knife cut small rash.
高频电刀或电刀切小皮疹。
Using high frequency electric needle or electric knife to remove wet wart.
采用高频电针或电刀切除湿疣。
Objective To study the influence of high-frequency electric surgical knives on biliary system incision healing.
目的探讨高频电刀对胆系手术切口愈合的影响。
IGPS frequency conversion power, Steady electric function, saving the energy and power.
IGPS变频电源，电器性能稳定，节能省电。
IGPS frequency conversion power, Steady electric function, saving the energy and power.
IGPS变频电源，电器性能稳定，节能省电。
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