Based on the detailed reliability analysis for common pressure relay, two methods were proposed to reliably keep pressure relay work.
对普通压力继电器的可靠性进行了详细分析，提出了保证压力继电器工作可靠的两种措施。
The Beijing 2008 Olympic flame taken from the ancient Olympiad in Athens is reserved in the torch relay lantern that will keep burning always.
取于雅典古奥林匹亚的北京2008奥林匹克圣火火种存于火种灯中，长明不息。
The Beijing 2008 Olympic flame taken from the ancient Olympiad in Athens is reserved in the torch relay lantern that will keep burning always.
取于雅典古奥林匹亚的北京2008奥林匹克圣火火种存于火种灯中，长明不息。
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