 |
未熔透
| 焊缝
| 未熔透 | |
| met. | nonpenetration |
| 焊缝 | |
| hydroel.st. | weld joint; weld; welded seam |
| met. | juncture; soldering seam; welding seam |
| space | solder fillet; weld fusion zone |
| |||
| nonpenetration | |||
| lack of penetration | |||
|
未熔透 : 3 phrases in 2 subjects |
| Hydroelectric power stations | 1 |
| Metallurgy | 2 |
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