·2,447,543篇论文数据，部分数据来源于NoteExpress
The utility model belongs to the technological field of screen welder, in particular to the screen welder provided with a welding contact.
本实用新型属于丝网焊接机械技术领域，尤其涉及带有焊接触头的丝网焊机。
youdao
应用推荐
模块上移
模块下移
不移动