Warning: file_put_contents(/www/wwwroot/ppbbu/80125.cn/cache/cb1ed19612be27eeed1c41b0441f11d7.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/80125.cn/index.php on line 58 cadmium amalgam例句_cadmium amalgam英汉例句_cadmium amalgam双解例句_食材铺反向词典
It has been proved that the saturated cadmium sulphate standard cells with cadmium-lead amalgam cathode have a high emf stability and low emf temperature coefficient. 镉铅汞齐饱和标准电池具有很高的稳定性和较低的电动势温度系数。