Warning: file_put_contents(/home/www/wwwroot/tjuzi.com/cache/710e454c8edb742383ed7a34a7abd787.txt): failed to open stream: No space left on device in /home/www/wwwroot/tjuzi.com/index.php on line 55 illinium例句_illinium英汉例句_illinium双解例句_橘子化妆朗文词典
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. 釔鎢電極在銲接時弧束細長,壓縮程度大,在中、大電流時其熔深比較大。 www.sh-chuangyu.com