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expansion tank | |||
conserver | |||
oil expansion chamber; oil drum | |||
conservator; oil conservator | |||
treated wooden tie | |||
oil breather; treated timber sleeper; treated wooden sleeper | |||
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conserver | |||
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conservator |
油 枕 : 11 phrases in 4 subjects |
Bridge construction | 4 |
Electronics | 4 |
Hydroelectric power stations | 1 |
Technology | 2 |