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| water-carriage system | |||
| conveyance system; water conveyance system | |||
| filling and emptying system | |||
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| conduit system | |||
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输水系统 : 25 phrases in 6 subjects |
| Agriculture | 2 |
| Aviation | 1 |
| Earth sciences | 1 |
| Electronics | 3 |
| Hydroelectric power stations | 3 |
| Technology | 15 |
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