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| |||
| weaken plane joint | |||
| dummy joint | |||
| groove joint; weakened plane joint | |||
|
半缝 : 34 phrases in 11 subjects |
| Agriculture | 2 |
| Architecture | 3 |
| Hydroelectric power stations | 1 |
| Metallurgy | 5 |
| Oil / petroleum | 1 |
| Plastic surgery | 1 |
| Plastics | 1 |
| Space | 1 |
| Surgery | 1 |
| Technology | 15 |
| Textile industry | 3 |
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