security power supply system 保安电源系统
accident security power supply 事故保安电源
It is a cheap form of power but it also gives security of supply and flexibility.
煤炭是一种廉价的能源，但同时它供应充足，使用灵活。
Turkey wants to expand renewable energy, particularly wind power, to help reduce CO2 emissions and ensure security of the energy supply.
土耳其希望扩大可再生能源，尤其是风电，以帮助减少二氧化碳排放，保证能源供应安全。
The company's new products including the special vehicle LED screen power supply series, rainproof circular transformer and security monitor power supply series enjoy strong market advantages.
研发的车载led显示屏专用电源系列、防雨环形变压器，安防监控电源等新产品，有很强的市场优势。
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