Warning: file_put_contents(/home/www/wwwroot/tjuzi.com/cache/ba5c5abfde019924bc661b62cb9326be.txt): failed to open stream: No space left on device in /home/www/wwwroot/tjuzi.com/index.php on line 55 earthed neutral conductor例句_earthed neutral conductor英汉例句_earthed neutral conductor双解例句_橘子化妆朗文词典
NOTE 2 A PEN conductor is a protective earthed neutral conductor combining the functions of both a protective conductor and a neutral conductor. 注2： PEN导线是指将保护导线和中性导线两种功能结合在一起的保护接地中性线。