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| bicylinder | |||
| bicylindrical | |||
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双 圆柱 : 20 phrases in 7 subjects |
| Automobiles | 2 |
| Bridge construction | 5 |
| Compressors | 1 |
| General | 1 |
| Hydroelectric power stations | 1 |
| Technology | 8 |
| Wind Energy | 2 |
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