“Hope sapphire”的概念、定义、翻译、参考文献-科学参考

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单词	Hope sapphire
释义	Hope sapphire 人工尖晶石
随便看	emergency brake carrier plate emergency brake gear emergency brake lever emergency brake lever spring emergency brake switch emergency brake valve emergency braking emergency braking control relay emergency breakaway valve emergency breakdown repairs emergency breakoff emergency broadcast system emergency button emergency cable emergency call key emergency call-on button emergency capacity emergency capecity emergency carrier generator emergency cart emergency case emergency cell emergency closing device emergency closure (gate) emergency closing valve emergency cock