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restricted orifice
| surge chamber
| restricted orifice | |
| dril. | 节流孔板 |
| surge chamber | |
| dril. | 缓冲器 |
| hydroel.st. | 调压室 |
| oil | 缓冲室; 空气包; 调节室 |
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| 节流孔板 | |||
| 扼流孔板; 阻流孔板 | |||
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restricted orifice surge chamber : 5 phrases in 3 subjects |
| Electronics | 1 |
| Hydroelectric power stations | 2 |
| Technology | 2 |
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