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| 盖面块; 垫块 | |||
| 隔板; 盖砖; 垫片; 垫木; 撑挡; 护面块体; 混凝土的盖面块; 保护层垫块 | |||
| 盖帽拦网 | |||
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cover block : 8 phrases in 4 subjects |
| Electronics | 1 |
| Metallurgy | 1 |
| Technology | 3 |
| Volleyball | 3 |
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