Warning: file_put_contents(): Only 0 of 6777 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/001308.com/index.php on line 55 constricting nozzle是什么意思,constricting nozzle的翻译,constricting nozzle音标、读音、用法和例句_零食美味英文词典
Substituting double electrode for normal tungsten and substituting spherical constricting nozzle for normal cone one are the key to design the torch. 用球面压缩喷嘴取代常规的锥形压缩喷嘴,这些是设计反极性弱等离子弧粉末堆焊枪的关键所在。