back bead

 
       
  • 背面焊道

back bead的用法和样例:

例句

  1. The back purge shall be maintained for a minimum of two passes.
    至少对两条焊道进行惰性气体反吹。
  2. 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。
今日热词
目录 附录 查词历史