| 释义 |
welding pass
基本例句
焊道
This welding backing is used with all one-side processes.Especially for those which do not demand back bead cleaning.本衬垫可用于各种单面焊接工艺的位置，特别适用于不一定要求封底焊道的场合。
With the assembly process,girth welding seam will bear a larger load and heat treatment temprature will exceed the material allowable temprature.但这种组装方式使环焊缝受载荷较大，而且热处理的温度超过了材料允许的使用温度，因此必须对需热处理的环焊道进行临时加固处理。 |