seal welding的意思|示意
封焊；[机] 密封焊接；密封焊
seal welding相关短语
1、 vacuum seal welding 真空封焊
2、 laser seal welding 激光封焊
3、 seal welding repair 密封焊
4、 laser seal welding of kovar 可伐合金激光焊接
5、 seal by welding 焊接连接密封
6、 spot welding seal 点焊密封
7、 gasket free welding seal flange 无垫片焊接密封法兰
8、 Welding metal seal mud valve 焊拉式金属硬密封泥浆阀门