spot-welding是spot-weld的现在分词
spot-weld
美
英
- na.点焊
- 网络电焊
v. | 1. to join overlapping pieces of metal by making a series of small welds dotted about, instead of making a large continuous weld. |
n. | 1. a joint between overlapping metal parts, formed by making a series of small welds |