... 正压通风：Ex p 正压电效应：self-supplying power 正形圆锥投影;等角圆锥投影：conformal conic projection ...
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self-supplying power source 自具电源
Self-supplying CT Power Source 取电CT电源
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The practical application of this system shows that the characteristics of low power consumption, energy self-supplying, remote control stretch its application prospects.
实际应用表明，此系统具备低功耗、能量自给、可远距离控制的特点，具有广阔的应用前景。
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