- 线: thread; string; wire
- 角焊缝: leg of a fillet weld
- 角焊缝: leg of a fillet weld◇角焊缝尺寸 fillet weld size; 角焊缝厚度 [冶金学] throat of fillet weld; 角焊缝接头 fillet welding joint
- 凹面角焊缝: concave fillet; concavefillet
- 凹形角焊缝: concave filled weld; concave filler; concave fillet weld
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