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| 浮球式疏水阀 | |||
| 浮球式疏水器 | |||
| 浮子凝汽阀; 浮子式凝器阀; 浮动阀; 浮球式汽水阀; 浮筒疏水器 | |||
| float trap: 13 phrases in 4 subjects |
| Chemistry | 3 |
| Oil / petroleum | 2 |
| Refrigeration | 3 |
| Technology | 5 |
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