weld·er /ˈwɛldɚ/
焊工,焊機
Weld·er n. One who welds, or unites pieces of iron, etc., by welding.
Weld·er, n.
1. One who welds, or wields. [Obs.]
2. A manager; an actual occupant. [Ireland. Obs.] “The welder . . . who . . . lives miserably.”
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welder
n : joins pieces of metal by welding them together