Warning: file_put_contents(/www/wwwroot/ppbbu/www.30232.com/cache/69f80a868219ae2ec426ee131de36442.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/www.30232.com/index.php on line 55 porcelain support insulator例句_porcelain support insulator英汉例句_porcelain support insulator双解例句_绍翊字体网有道词典
The insulator is commonly called as porcelain vase, and it is the insulation part which is used to support the conductors. 绝缘子俗称瓷瓶，它是用来支持导线的绝缘体。 www.1x1y.com.cn