Warning: file_put_contents(): Only 0 of 7288 bytes written, possibly out of free disk space in /home/www/wwwroot/ndsq.cn/index.php on line 55 illinium例句_illinium英汉例句_illinium双解例句_开心英文字典_柠咚词
The illinium electrode produces a slim arc when used in welding. With a high level of compression, it has a bigger melting depth in medium and high currents. 钇钨电极在焊接时弧束细长，压缩程度大，在中、大电流时其熔深比较大。 www.sh-chuangyu.com